Merge branch 'v4-dev' into dropdown-keyboard

6 files changed, 474 insertions, 414 deletions

diff --git a/grunt/configBridge.json b/grunt/configBridge.json
deleted file mode 100644
index 140d9ab78..000000000
--- a/grunt/configBridge.json
+++ /dev/null
@@ -1,10 +0,0 @@
-{
-  "paths": {
-    "docsJs": [
-      "assets/js/vendor/anchor.min.js",
-      "assets/js/vendor/clipboard.min.js",
-      "assets/js/vendor/holder.min.js",
-      "assets/js/src/application.js"
-    ]
-  }
-}
diff --git a/grunt/npm-shrinkwrap.json b/grunt/npm-shrinkwrap.json
index 45d83be7e..f35e330d1 100644
--- a/grunt/npm-shrinkwrap.json
+++ b/grunt/npm-shrinkwrap.json
@@ -3,9 +3,9 @@
   "version": "4.0.0-alpha.6",
   "dependencies": {
     "abbrev": {
-      "version": "1.0.9",
+      "version": "1.1.0",
       "from": "abbrev@>=1.0.0 <2.0.0",
-      "resolved": "https://registry.npmjs.org/abbrev/-/abbrev-1.0.9.tgz",
+      "resolved": "https://registry.npmjs.org/abbrev/-/abbrev-1.1.0.tgz",
       "dev": true
     },
     "accepts": {
@@ -49,9 +49,9 @@
       }
     },
     "ajv": {
-      "version": "4.11.2",
+      "version": "4.11.5",
       "from": "ajv@>=4.7.0 <5.0.0",
-      "resolved": "https://registry.npmjs.org/ajv/-/ajv-4.11.2.tgz",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-4.11.5.tgz",
       "dev": true
     },
     "ajv-keywords": {
@@ -84,17 +84,22 @@
       "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-2.2.1.tgz",
       "dev": true
     },
+    "any-promise": {
+      "version": "1.3.0",
+      "from": "any-promise@>=1.0.0 <2.0.0",
+      "resolved": "https://registry.npmjs.org/any-promise/-/any-promise-1.3.0.tgz",
+      "dev": true
+    },
     "anymatch": {
       "version": "1.3.0",
       "from": "anymatch@>=1.3.0 <2.0.0",
       "resolved": "https://registry.npmjs.org/anymatch/-/anymatch-1.3.0.tgz",
-      "dev": true,
-      "optional": true
+      "dev": true
     },
     "aproba": {
-      "version": "1.0.4",
+      "version": "1.1.1",
       "from": "aproba@>=1.0.3 <2.0.0",
-      "resolved": "https://registry.npmjs.org/aproba/-/aproba-1.0.4.tgz",
+      "resolved": "https://registry.npmjs.org/aproba/-/aproba-1.1.1.tgz",
       "dev": true
     },
     "archiver": {
@@ -104,9 +109,9 @@
       "dev": true,
       "dependencies": {
         "async": {
-          "version": "2.1.4",
+          "version": "2.1.5",
           "from": "async@>=2.0.0 <3.0.0",
-          "resolved": "https://registry.npmjs.org/async/-/async-2.1.4.tgz",
+          "resolved": "https://registry.npmjs.org/async/-/async-2.1.5.tgz",
           "dev": true
         }
       }
@@ -205,8 +210,7 @@
       "version": "1.0.1",
       "from": "async-each@>=1.0.0 <2.0.0",
       "resolved": "https://registry.npmjs.org/async-each/-/async-each-1.0.1.tgz",
-      "dev": true,
-      "optional": true
+      "dev": true
     },
     "async-foreach": {
       "version": "0.1.3",
@@ -221,9 +225,9 @@
       "dev": true
     },
     "autoprefixer": {
-      "version": "6.7.2",
-      "from": "autoprefixer@>=6.7.2 <7.0.0",
-      "resolved": "https://registry.npmjs.org/autoprefixer/-/autoprefixer-6.7.2.tgz",
+      "version": "6.7.7",
+      "from": "autoprefixer@>=6.7.7 <7.0.0",
+      "resolved": "https://registry.npmjs.org/autoprefixer/-/autoprefixer-6.7.7.tgz",
       "dev": true
     },
     "aws-sign2": {
@@ -233,9 +237,9 @@
       "dev": true
     },
     "aws4": {
-      "version": "1.5.0",
+      "version": "1.6.0",
       "from": "aws4@>=1.2.1 <2.0.0",
-      "resolved": "https://registry.npmjs.org/aws4/-/aws4-1.5.0.tgz",
+      "resolved": "https://registry.npmjs.org/aws4/-/aws4-1.6.0.tgz",
       "dev": true
     },
     "babel-code-frame": {
@@ -245,9 +249,9 @@
       "dev": true
     },
     "babel-core": {
-      "version": "6.22.1",
+      "version": "6.24.0",
       "from": "babel-core@>=6.0.12 <7.0.0",
-      "resolved": "https://registry.npmjs.org/babel-core/-/babel-core-6.22.1.tgz",
+      "resolved": "https://registry.npmjs.org/babel-core/-/babel-core-6.24.0.tgz",
       "dev": true
     },
     "babel-eslint": {
@@ -257,9 +261,9 @@
       "dev": true
     },
     "babel-generator": {
-      "version": "6.22.0",
-      "from": "babel-generator@>=6.22.0 <7.0.0",
-      "resolved": "https://registry.npmjs.org/babel-generator/-/babel-generator-6.22.0.tgz",
+      "version": "6.24.0",
+      "from": "babel-generator@>=6.24.0 <7.0.0",
+      "resolved": "https://registry.npmjs.org/babel-generator/-/babel-generator-6.24.0.tgz",
       "dev": true,
       "dependencies": {
         "jsesc": {
@@ -277,15 +281,15 @@
       "dev": true
     },
     "babel-helper-define-map": {
-      "version": "6.22.0",
-      "from": "babel-helper-define-map@>=6.22.0 <7.0.0",
-      "resolved": "https://registry.npmjs.org/babel-helper-define-map/-/babel-helper-define-map-6.22.0.tgz",
+      "version": "6.23.0",
+      "from": "babel-helper-define-map@>=6.23.0 <7.0.0",
+      "resolved": "https://registry.npmjs.org/babel-helper-define-map/-/babel-helper-define-map-6.23.0.tgz",
       "dev": true
     },
     "babel-helper-function-name": {
-      "version": "6.22.0",
-      "from": "babel-helper-function-name@>=6.22.0 <7.0.0",
-      "resolved": "https://registry.npmjs.org/babel-helper-function-name/-/babel-helper-function-name-6.22.0.tgz",
+      "version": "6.23.0",
+      "from": "babel-helper-function-name@>=6.23.0 <7.0.0",
+      "resolved": "https://registry.npmjs.org/babel-helper-function-name/-/babel-helper-function-name-6.23.0.tgz",
       "dev": true
     },
     "babel-helper-get-function-arity": {
@@ -301,9 +305,9 @@
       "dev": true
     },
     "babel-helper-optimise-call-expression": {
-      "version": "6.22.0",
-      "from": "babel-helper-optimise-call-expression@>=6.22.0 <7.0.0",
-      "resolved": "https://registry.npmjs.org/babel-helper-optimise-call-expression/-/babel-helper-optimise-call-expression-6.22.0.tgz",
+      "version": "6.23.0",
+      "from": "babel-helper-optimise-call-expression@>=6.23.0 <7.0.0",
+      "resolved": "https://registry.npmjs.org/babel-helper-optimise-call-expression/-/babel-helper-optimise-call-expression-6.23.0.tgz",
       "dev": true
     },
     "babel-helper-regex": {
@@ -313,21 +317,21 @@
       "dev": true
     },
     "babel-helper-replace-supers": {
-      "version": "6.22.0",
-      "from": "babel-helper-replace-supers@>=6.22.0 <7.0.0",
-      "resolved": "https://registry.npmjs.org/babel-helper-replace-supers/-/babel-helper-replace-supers-6.22.0.tgz",
+      "version": "6.23.0",
+      "from": "babel-helper-replace-supers@>=6.23.0 <7.0.0",
+      "resolved": "https://registry.npmjs.org/babel-helper-replace-supers/-/babel-helper-replace-supers-6.23.0.tgz",
       "dev": true
     },
     "babel-helpers": {
-      "version": "6.22.0",
-      "from": "babel-helpers@>=6.22.0 <7.0.0",
-      "resolved": "https://registry.npmjs.org/babel-helpers/-/babel-helpers-6.22.0.tgz",
+      "version": "6.23.0",
+      "from": "babel-helpers@>=6.23.0 <7.0.0",
+      "resolved": "https://registry.npmjs.org/babel-helpers/-/babel-helpers-6.23.0.tgz",
       "dev": true
     },
     "babel-messages": {
-      "version": "6.22.0",
-      "from": "babel-messages@>=6.22.0 <7.0.0",
-      "resolved": "https://registry.npmjs.org/babel-messages/-/babel-messages-6.22.0.tgz",
+      "version": "6.23.0",
+      "from": "babel-messages@>=6.23.0 <7.0.0",
+      "resolved": "https://registry.npmjs.org/babel-messages/-/babel-messages-6.23.0.tgz",
       "dev": true
     },
     "babel-plugin-check-es2015-constants": {
@@ -349,15 +353,15 @@
       "dev": true
     },
     "babel-plugin-transform-es2015-block-scoping": {
-      "version": "6.22.0",
+      "version": "6.23.0",
       "from": "babel-plugin-transform-es2015-block-scoping@>=6.22.0 <7.0.0",
-      "resolved": "https://registry.npmjs.org/babel-plugin-transform-es2015-block-scoping/-/babel-plugin-transform-es2015-block-scoping-6.22.0.tgz",
+      "resolved": "https://registry.npmjs.org/babel-plugin-transform-es2015-block-scoping/-/babel-plugin-transform-es2015-block-scoping-6.23.0.tgz",
       "dev": true
     },
     "babel-plugin-transform-es2015-classes": {
-      "version": "6.22.0",
+      "version": "6.23.0",
       "from": "babel-plugin-transform-es2015-classes@>=6.22.0 <7.0.0",
-      "resolved": "https://registry.npmjs.org/babel-plugin-transform-es2015-classes/-/babel-plugin-transform-es2015-classes-6.22.0.tgz",
+      "resolved": "https://registry.npmjs.org/babel-plugin-transform-es2015-classes/-/babel-plugin-transform-es2015-classes-6.23.0.tgz",
       "dev": true
     },
     "babel-plugin-transform-es2015-computed-properties": {
@@ -367,9 +371,9 @@
       "dev": true
     },
     "babel-plugin-transform-es2015-destructuring": {
-      "version": "6.22.0",
+      "version": "6.23.0",
       "from": "babel-plugin-transform-es2015-destructuring@>=6.22.0 <7.0.0",
-      "resolved": "https://registry.npmjs.org/babel-plugin-transform-es2015-destructuring/-/babel-plugin-transform-es2015-destructuring-6.22.0.tgz",
+      "resolved": "https://registry.npmjs.org/babel-plugin-transform-es2015-destructuring/-/babel-plugin-transform-es2015-destructuring-6.23.0.tgz",
       "dev": true
     },
     "babel-plugin-transform-es2015-duplicate-keys": {
@@ -379,9 +383,9 @@
       "dev": true
     },
     "babel-plugin-transform-es2015-for-of": {
-      "version": "6.22.0",
+      "version": "6.23.0",
       "from": "babel-plugin-transform-es2015-for-of@>=6.22.0 <7.0.0",
-      "resolved": "https://registry.npmjs.org/babel-plugin-transform-es2015-for-of/-/babel-plugin-transform-es2015-for-of-6.22.0.tgz",
+      "resolved": "https://registry.npmjs.org/babel-plugin-transform-es2015-for-of/-/babel-plugin-transform-es2015-for-of-6.23.0.tgz",
       "dev": true
     },
     "babel-plugin-transform-es2015-function-name": {
@@ -397,15 +401,15 @@
       "dev": true
     },
     "babel-plugin-transform-es2015-modules-amd": {
-      "version": "6.22.0",
-      "from": "babel-plugin-transform-es2015-modules-amd@>=6.22.0 <7.0.0",
-      "resolved": "https://registry.npmjs.org/babel-plugin-transform-es2015-modules-amd/-/babel-plugin-transform-es2015-modules-amd-6.22.0.tgz",
+      "version": "6.24.0",
+      "from": "babel-plugin-transform-es2015-modules-amd@>=6.24.0 <7.0.0",
+      "resolved": "https://registry.npmjs.org/babel-plugin-transform-es2015-modules-amd/-/babel-plugin-transform-es2015-modules-amd-6.24.0.tgz",
       "dev": true
     },
     "babel-plugin-transform-es2015-modules-commonjs": {
-      "version": "6.22.0",
-      "from": "babel-plugin-transform-es2015-modules-commonjs@>=6.22.0 <7.0.0",
-      "resolved": "https://registry.npmjs.org/babel-plugin-transform-es2015-modules-commonjs/-/babel-plugin-transform-es2015-modules-commonjs-6.22.0.tgz",
+      "version": "6.24.0",
+      "from": "babel-plugin-transform-es2015-modules-commonjs@>=6.24.0 <7.0.0",
+      "resolved": "https://registry.npmjs.org/babel-plugin-transform-es2015-modules-commonjs/-/babel-plugin-transform-es2015-modules-commonjs-6.24.0.tgz",
       "dev": true
     },
     "babel-plugin-transform-es2015-modules-strip": {
@@ -415,15 +419,15 @@
       "dev": true
     },
     "babel-plugin-transform-es2015-modules-systemjs": {
-      "version": "6.22.0",
+      "version": "6.23.0",
       "from": "babel-plugin-transform-es2015-modules-systemjs@>=6.22.0 <7.0.0",
-      "resolved": "https://registry.npmjs.org/babel-plugin-transform-es2015-modules-systemjs/-/babel-plugin-transform-es2015-modules-systemjs-6.22.0.tgz",
+      "resolved": "https://registry.npmjs.org/babel-plugin-transform-es2015-modules-systemjs/-/babel-plugin-transform-es2015-modules-systemjs-6.23.0.tgz",
       "dev": true
     },
     "babel-plugin-transform-es2015-modules-umd": {
-      "version": "6.22.0",
-      "from": "babel-plugin-transform-es2015-modules-umd@>=6.22.0 <7.0.0",
-      "resolved": "https://registry.npmjs.org/babel-plugin-transform-es2015-modules-umd/-/babel-plugin-transform-es2015-modules-umd-6.22.0.tgz",
+      "version": "6.24.0",
+      "from": "babel-plugin-transform-es2015-modules-umd@>=6.24.0 <7.0.0",
+      "resolved": "https://registry.npmjs.org/babel-plugin-transform-es2015-modules-umd/-/babel-plugin-transform-es2015-modules-umd-6.24.0.tgz",
       "dev": true
     },
     "babel-plugin-transform-es2015-object-super": {
@@ -433,9 +437,9 @@
       "dev": true
     },
     "babel-plugin-transform-es2015-parameters": {
-      "version": "6.22.0",
+      "version": "6.23.0",
       "from": "babel-plugin-transform-es2015-parameters@>=6.22.0 <7.0.0",
-      "resolved": "https://registry.npmjs.org/babel-plugin-transform-es2015-parameters/-/babel-plugin-transform-es2015-parameters-6.22.0.tgz",
+      "resolved": "https://registry.npmjs.org/babel-plugin-transform-es2015-parameters/-/babel-plugin-transform-es2015-parameters-6.23.0.tgz",
       "dev": true
     },
     "babel-plugin-transform-es2015-shorthand-properties": {
@@ -463,9 +467,9 @@
       "dev": true
     },
     "babel-plugin-transform-es2015-typeof-symbol": {
-      "version": "6.22.0",
+      "version": "6.23.0",
       "from": "babel-plugin-transform-es2015-typeof-symbol@>=6.22.0 <7.0.0",
-      "resolved": "https://registry.npmjs.org/babel-plugin-transform-es2015-typeof-symbol/-/babel-plugin-transform-es2015-typeof-symbol-6.22.0.tgz",
+      "resolved": "https://registry.npmjs.org/babel-plugin-transform-es2015-typeof-symbol/-/babel-plugin-transform-es2015-typeof-symbol-6.23.0.tgz",
       "dev": true
     },
     "babel-plugin-transform-es2015-unicode-regex": {
@@ -487,45 +491,45 @@
       "dev": true
     },
     "babel-preset-es2015": {
-      "version": "6.22.0",
-      "from": "babel-preset-es2015@>=6.22.0 <7.0.0",
-      "resolved": "https://registry.npmjs.org/babel-preset-es2015/-/babel-preset-es2015-6.22.0.tgz",
+      "version": "6.24.0",
+      "from": "babel-preset-es2015@>=6.24.0 <7.0.0",
+      "resolved": "https://registry.npmjs.org/babel-preset-es2015/-/babel-preset-es2015-6.24.0.tgz",
       "dev": true
     },
     "babel-register": {
-      "version": "6.22.0",
-      "from": "babel-register@>=6.22.0 <7.0.0",
-      "resolved": "https://registry.npmjs.org/babel-register/-/babel-register-6.22.0.tgz",
+      "version": "6.24.0",
+      "from": "babel-register@>=6.24.0 <7.0.0",
+      "resolved": "https://registry.npmjs.org/babel-register/-/babel-register-6.24.0.tgz",
       "dev": true
     },
     "babel-runtime": {
-      "version": "6.22.0",
+      "version": "6.23.0",
       "from": "babel-runtime@>=6.22.0 <7.0.0",
-      "resolved": "https://registry.npmjs.org/babel-runtime/-/babel-runtime-6.22.0.tgz",
+      "resolved": "https://registry.npmjs.org/babel-runtime/-/babel-runtime-6.23.0.tgz",
       "dev": true
     },
     "babel-template": {
-      "version": "6.22.0",
-      "from": "babel-template@>=6.22.0 <7.0.0",
-      "resolved": "https://registry.npmjs.org/babel-template/-/babel-template-6.22.0.tgz",
+      "version": "6.23.0",
+      "from": "babel-template@>=6.23.0 <7.0.0",
+      "resolved": "https://registry.npmjs.org/babel-template/-/babel-template-6.23.0.tgz",
       "dev": true
     },
     "babel-traverse": {
-      "version": "6.22.1",
+      "version": "6.23.1",
       "from": "babel-traverse@>=6.15.0 <7.0.0",
-      "resolved": "https://registry.npmjs.org/babel-traverse/-/babel-traverse-6.22.1.tgz",
+      "resolved": "https://registry.npmjs.org/babel-traverse/-/babel-traverse-6.23.1.tgz",
       "dev": true
     },
     "babel-types": {
-      "version": "6.22.0",
+      "version": "6.23.0",
       "from": "babel-types@>=6.15.0 <7.0.0",
-      "resolved": "https://registry.npmjs.org/babel-types/-/babel-types-6.22.0.tgz",
+      "resolved": "https://registry.npmjs.org/babel-types/-/babel-types-6.23.0.tgz",
       "dev": true
     },
     "babylon": {
-      "version": "6.15.0",
+      "version": "6.16.1",
       "from": "babylon@>=6.13.0 <7.0.0",
-      "resolved": "https://registry.npmjs.org/babylon/-/babylon-6.15.0.tgz",
+      "resolved": "https://registry.npmjs.org/babylon/-/babylon-6.16.1.tgz",
       "dev": true
     },
     "balanced-match": {
@@ -535,9 +539,9 @@
       "dev": true
     },
     "basic-auth": {
-      "version": "1.0.4",
-      "from": "basic-auth@>=1.0.3 <1.1.0",
-      "resolved": "https://registry.npmjs.org/basic-auth/-/basic-auth-1.0.4.tgz",
+      "version": "1.1.0",
+      "from": "basic-auth@>=1.1.0 <1.2.0",
+      "resolved": "https://registry.npmjs.org/basic-auth/-/basic-auth-1.1.0.tgz",
       "dev": true
     },
     "batch": {
@@ -557,8 +561,7 @@
       "version": "1.8.0",
       "from": "binary-extensions@>=1.0.0 <2.0.0",
       "resolved": "https://registry.npmjs.org/binary-extensions/-/binary-extensions-1.8.0.tgz",
-      "dev": true,
-      "optional": true
+      "dev": true
     },
     "bl": {
       "version": "1.2.0",
@@ -573,9 +576,9 @@
       "dev": true
     },
     "bluebird": {
-      "version": "3.4.7",
+      "version": "3.5.0",
       "from": "bluebird@>=3.0.6 <4.0.0",
-      "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.4.7.tgz",
+      "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.5.0.tgz",
       "dev": true
     },
     "body-parser": {
@@ -635,9 +638,9 @@
       "dev": true
     },
     "browserslist": {
-      "version": "1.7.1",
-      "from": "browserslist@>=1.7.1 <2.0.0",
-      "resolved": "https://registry.npmjs.org/browserslist/-/browserslist-1.7.1.tgz",
+      "version": "1.7.6",
+      "from": "browserslist@>=1.7.6 <2.0.0",
+      "resolved": "https://registry.npmjs.org/browserslist/-/browserslist-1.7.6.tgz",
       "dev": true
     },
     "buffer-crc32": {
@@ -709,9 +712,9 @@
       "dev": true
     },
     "caniuse-db": {
-      "version": "1.0.30000619",
-      "from": "caniuse-db@>=1.0.30000618 <2.0.0",
-      "resolved": "https://registry.npmjs.org/caniuse-db/-/caniuse-db-1.0.30000619.tgz",
+      "version": "1.0.30000637",
+      "from": "caniuse-db@>=1.0.30000634 <2.0.0",
+      "resolved": "https://registry.npmjs.org/caniuse-db/-/caniuse-db-1.0.30000637.tgz",
       "dev": true
     },
     "caseless": {
@@ -742,10 +745,9 @@
     },
     "chokidar": {
       "version": "1.6.1",
-      "from": "chokidar@>=1.5.1 <2.0.0",
+      "from": "chokidar@>=1.6.1 <2.0.0",
       "resolved": "https://registry.npmjs.org/chokidar/-/chokidar-1.6.1.tgz",
-      "dev": true,
-      "optional": true
+      "dev": true
     },
     "circular-json": {
       "version": "0.3.1",
@@ -760,15 +762,15 @@
       "dev": true
     },
     "clean-css": {
-      "version": "4.0.4",
-      "from": "clean-css@>=4.0.0 <5.0.0",
-      "resolved": "https://registry.npmjs.org/clean-css/-/clean-css-4.0.4.tgz",
+      "version": "4.0.9",
+      "from": "clean-css@>=4.0.9 <5.0.0",
+      "resolved": "https://registry.npmjs.org/clean-css/-/clean-css-4.0.9.tgz",
       "dev": true
     },
     "clean-css-cli": {
-      "version": "4.0.0",
-      "from": "clean-css-cli@>=4.0.0 <5.0.0",
-      "resolved": "https://registry.npmjs.org/clean-css-cli/-/clean-css-cli-4.0.0.tgz",
+      "version": "4.0.9",
+      "from": "clean-css-cli@>=4.0.9 <5.0.0",
+      "resolved": "https://registry.npmjs.org/clean-css-cli/-/clean-css-cli-4.0.9.tgz",
       "dev": true
     },
     "cli": {
@@ -797,6 +799,12 @@
       "resolved": "https://registry.npmjs.org/cli-cursor/-/cli-cursor-1.0.2.tgz",
       "dev": true
     },
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+      "from": "trim-right@>=1.0.1 <2.0.0",
+      "resolved": "https://registry.npmjs.org/trim-right/-/trim-right-1.0.1.tgz",
+      "dev": true
+    },
     "tryit": {
       "version": "1.0.3",
       "from": "tryit@>=1.0.1 <2.0.0",
@@ -3844,17 +3927,11 @@
       "dev": true
     },
     "uglify-js": {
-      "version": "2.7.5",
-      "from": "uglify-js@>=2.7.5 <3.0.0",
-      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-2.7.5.tgz",
+      "version": "2.8.14",
+      "from": "uglify-js@>=2.8.14 <3.0.0",
+      "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-2.8.14.tgz",
       "dev": true,
       "dependencies": {
-        "async": {
-          "version": "0.2.10",
-          "from": "async@>=0.2.6 <0.3.0",
-          "resolved": "https://registry.npmjs.org/async/-/async-0.2.10.tgz",
-          "dev": true
-        },
         "camelcase": {
           "version": "1.2.1",
           "from": "camelcase@>=1.0.2 <2.0.0",
@@ -3966,9 +4043,9 @@
       "dev": true
     },
     "when": {
-      "version": "3.7.7",
+      "version": "3.7.8",
       "from": "when@>=3.7.5 <3.8.0",
-      "resolved": "https://registry.npmjs.org/when/-/when-3.7.7.tgz",
+      "resolved": "https://registry.npmjs.org/when/-/when-3.7.8.tgz",
       "dev": true
     },
     "which": {
@@ -4038,9 +4115,9 @@
       "dev": true
     },
     "yallist": {
-      "version": "2.0.0",
+      "version": "2.1.2",
       "from": "yallist@>=2.0.0 <3.0.0",
-      "resolved": "https://registry.npmjs.org/yallist/-/yallist-2.0.0.tgz",
+      "resolved": "https://registry.npmjs.org/yallist/-/yallist-2.1.2.tgz",
       "dev": true
     },
     "yargs": {
diff --git a/grunt/postcss.config.js b/grunt/postcss.config.js
new file mode 100644
index 000000000..803078a5f
--- /dev/null
+++ b/grunt/postcss.config.js
@@ -0,0 +1,41 @@
+module.exports = (ctx) => ({
+  map: ctx.file.dirname.startsWith('docs') ? false : {
+    inline: false,
+    annotation: true,
+    sourcesContent: true
+  },
+  plugins: {
+    autoprefixer: {
+      browsers: [
+        //
+        // Official browser support policy:
+        // https://v4-alpha.getbootstrap.com/getting-started/browsers-devices/#supported-browsers
+        //
+        'Chrome >= 35', // Exact version number here is kinda arbitrary
+        // Rather than using Autoprefixer's native "Firefox ESR" version specifier string,
+        // we deliberately hardcode the number. This is to avoid unwittingly severely breaking the previous ESR in the event that:
+        // (a) we happen to ship a new Bootstrap release soon after the release of a new ESR,
+        //     such that folks haven't yet had a reasonable amount of time to upgrade; and
+        // (b) the new ESR has unprefixed CSS properties/values whose absence would severely break webpages
+        //     (e.g. `box-sizing`, as opposed to `background: linear-gradient(...)`).
+        //     Since they've been unprefixed, Autoprefixer will stop prefixing them,
+        //     thus causing them to not work in the previous ESR (where the prefixes were required).
+        'Firefox >= 38', // Current Firefox Extended Support Release (ESR); https://www.mozilla.org/en-US/firefox/organizations/faq/
+        // Note: Edge versions in Autoprefixer & Can I Use refer to the EdgeHTML rendering engine version,
+        // NOT the Edge app version shown in Edge's "About" screen.
+        // For example, at the time of writing, Edge 20 on an up-to-date system uses EdgeHTML 12.
+        // See also https://github.com/Fyrd/caniuse/issues/1928
+        'Edge >= 12',
+        'Explorer >= 10',
+        // Out of leniency, we prefix these 1 version further back than the official policy.
+        'iOS >= 8',
+        'Safari >= 8',
+        // The following remain NOT officially supported, but we're lenient and include their prefixes to avoid severely breaking in them.
+        'Android 2.3',
+        'Android >= 4',
+        'Opera >= 12'
+      ]
+    },
+    'postcss-flexbugs-fixes': {}
+  }
+})
diff --git a/grunt/postcss.js b/grunt/postcss.js
deleted file mode 100644
index a2ea78f5b..000000000
--- a/grunt/postcss.js
+++ /dev/null
@@ -1,42 +0,0 @@
-module.exports = {
-  use: [
-    'postcss-flexbugs-fixes',
-    'autoprefixer'
-  ],
-  map: {
-    inline: false,
-    annotation: true,
-    sourcesContent: true
-  },
-  autoprefixer: {
-    browsers: [
-      //
-      // Official browser support policy:
-      // https://v4-alpha.getbootstrap.com/getting-started/browsers-devices/#supported-browsers
-      //
-      'Chrome >= 35', // Exact version number here is kinda arbitrary
-      // Rather than using Autoprefixer's native "Firefox ESR" version specifier string,
-      // we deliberately hardcode the number. This is to avoid unwittingly severely breaking the previous ESR in the event that:
-      // (a) we happen to ship a new Bootstrap release soon after the release of a new ESR,
-      //     such that folks haven't yet had a reasonable amount of time to upgrade; and
-      // (b) the new ESR has unprefixed CSS properties/values whose absence would severely break webpages
-      //     (e.g. `box-sizing`, as opposed to `background: linear-gradient(...)`).
-      //     Since they've been unprefixed, Autoprefixer will stop prefixing them,
-      //     thus causing them to not work in the previous ESR (where the prefixes were required).
-      'Firefox >= 38', // Current Firefox Extended Support Release (ESR); https://www.mozilla.org/en-US/firefox/organizations/faq/
-      // Note: Edge versions in Autoprefixer & Can I Use refer to the EdgeHTML rendering engine version,
-      // NOT the Edge app version shown in Edge's "About" screen.
-      // For example, at the time of writing, Edge 20 on an up-to-date system uses EdgeHTML 12.
-      // See also https://github.com/Fyrd/caniuse/issues/1928
-      'Edge >= 12',
-      'Explorer >= 10',
-      // Out of leniency, we prefix these 1 version further back than the official policy.
-      'iOS >= 8',
-      'Safari >= 8',
-      // The following remain NOT officially supported, but we're lenient and include their prefixes to avoid severely breaking in them.
-      'Android 2.3',
-      'Android >= 4',
-      'Opera >= 12'
-    ]
-  }
-}
diff --git a/grunt/sauce_browsers.yml b/grunt/sauce_browsers.yml
index 4d5041b9e..23244e435 100644
--- a/grunt/sauce_browsers.yml
+++ b/grunt/sauce_browsers.yml
@@ -33,11 +33,6 @@
     version: "10",
     platform: "Windows 8"
   },
-  {
-    browserName: "internet explorer",
-    version: "9",
-    platform: "Windows 7"
-  },
 
   {
     browserName: "chrome",
diff --git a/grunt/upload-preview.sh b/grunt/upload-preview.sh
index 905d716ab..08e7fa2ef 100755
--- a/grunt/upload-preview.sh
+++ b/grunt/upload-preview.sh
@@ -6,8 +6,7 @@ if [ "$TRAVIS_REPO_SLUG" != twbs-savage/bootstrap ]; then exit 0; fi
 # Add build metadata to version
 sed -i "/^current_version:/ s/\$/+pr.${TRAVIS_COMMIT}/" _config.yml
 # Fix URLs since the site's root is now a subdirectory
-echo "baseurl: /c/${TRAVIS_COMMIT}" >> _config.yml
-bundle exec jekyll build --destination "$TRAVIS_COMMIT"
+bundle exec jekyll build --destination "$TRAVIS_COMMIT" --baseurl "/c/${TRAVIS_COMMIT}"
 
 # Install gcloud & gsutil
 GSUTIL_VERSION=$(gsutil version | cut -d ' ' -f 3)