Merge branch 'master' into v4

Conflicts:
	.travis.yml
	Gruntfile.js
	bower.json
	dist/css/bootstrap.css
	dist/css/bootstrap.css.map
	dist/css/bootstrap.min.css
	dist/js/bootstrap.js
	dist/js/bootstrap.min.js
	docs/_data/glyphicons.yml
	docs/_includes/components/breadcrumbs.html
	docs/_includes/components/button-dropdowns.html
	docs/_includes/components/button-groups.html
	docs/_includes/components/dropdowns.html
	docs/_includes/components/glyphicons.html
	docs/_includes/components/labels.html
	docs/_includes/components/list-group.html
	docs/_includes/components/media.html
	docs/_includes/components/navs.html
	docs/_includes/components/panels.html
	docs/_includes/components/progress-bars.html
	docs/_includes/components/thumbnails.html
	docs/_includes/components/wells.html
	docs/_includes/css/buttons.html
	docs/_includes/css/forms.html
	docs/_includes/css/helpers.html
	docs/_includes/css/images.html
	docs/_includes/css/less.html
	docs/_includes/customizer-variables.html
	docs/_includes/getting-started/accessibility.html
	docs/_includes/getting-started/browser-device-support.html
	docs/_includes/getting-started/community.html
	docs/_includes/getting-started/examples.html
	docs/_includes/getting-started/grunt.html
	docs/_includes/getting-started/license.html
	docs/_includes/getting-started/template.html
	docs/_includes/header.html
	docs/_includes/js/affix.html
	docs/_includes/js/alerts.html
	docs/_includes/js/carousel.html
	docs/_includes/js/collapse.html
	docs/_includes/js/dropdowns.html
	docs/_includes/js/modal.html
	docs/_includes/js/overview.html
	docs/_includes/js/popovers.html
	docs/_includes/js/scrollspy.html
	docs/_includes/js/tabs.html
	docs/_includes/js/tooltips.html
	docs/_includes/js/transitions.html
	docs/_includes/nav/javascript.html
	docs/_layouts/default.html
	docs/assets/css/docs.min.css
	docs/assets/css/src/docs.css
	docs/assets/js/customize.min.js
	docs/assets/js/docs.min.js
	docs/assets/js/raw-files.min.js
	docs/assets/js/vendor/FileSaver.js
	docs/assets/js/vendor/autoprefixer.js
	docs/assets/js/vendor/uglify.min.js
	docs/dist/css/bootstrap.css
	docs/dist/css/bootstrap.css.map
	docs/dist/css/bootstrap.min.css
	docs/dist/js/bootstrap.min.js
	docs/examples/blog/index.html
	docs/examples/carousel/index.html
	docs/examples/cover/index.html
	docs/examples/dashboard/index.html
	docs/examples/narrow-jumbotron/narrow-jumbotron.css
	docs/examples/navbar-fixed-top/index.html
	docs/examples/navbar-static-top/index.html
	docs/examples/non-responsive/index.html
	docs/examples/non-responsive/non-responsive.css
	docs/examples/theme/index.html
	grunt/configBridge.json
	js/affix.js
	js/carousel.js
	js/collapse.js
	js/dropdown.js
	js/modal.js
	js/popover.js
	js/scrollspy.js
	js/tab.js
	js/tests/unit/affix.js
	js/tests/unit/button.js
	js/tests/unit/carousel.js
	js/tests/unit/modal.js
	js/tests/unit/tooltip.js
	js/tooltip.js
	less/badges.less
	less/glyphicons.less
	less/type.less
	less/variables.less
	package.json
	scss/_dropdown.scss
	scss/_forms.scss
	test-infra/npm-shrinkwrap.json

scss/_forms.scss

@@ -144,11 +144,14 @@ output {
   &:disabled,
   &[readonly],
   fieldset[disabled] & {
-    cursor: $cursor-disabled;
     background-color: $input-bg-disabled;
     opacity: 1; // iOS fix for unreadable disabled content; see https://github.com/twbs/bootstrap/issues/11655
   }
-}
+
+  &[disabled],
+  fieldset[disabled] & {
+    cursor: $cursor-disabled;
+  }
 
 // Reset height for `textarea`s
 textarea.form-control {
@@ -203,7 +206,7 @@ input[type="search"] {
 // horizontal forms, use the predefined grid classes.
 
 .form-group {
-  margin-bottom: 15px;
+  margin-bottom: @form-group-margin-bottom;
 }
 
 
@@ -243,6 +246,7 @@ input[type="search"] {
 // Radios and checkboxes on same line
 .radio-inline,
 .checkbox-inline {
+  position: relative;
   display: inline-block;
   padding-left: 20px;
   margin-bottom: 0;
@@ -299,6 +303,7 @@ input[type="checkbox"] {
   padding-bottom: ($padding-base-vertical + 1);
   // Remove default margin from `p`
   margin-bottom: 0;
+  min-height: (@line-height-computed + @font-size-base);
 
   &.input-lg,
   &.input-sm {
@@ -326,6 +331,7 @@ input[type="checkbox"] {
     padding: $padding-sm-vertical $padding-sm-horizontal;
     font-size: $font-size-sm;
     line-height: $line-height-sm;
+    min-height: ($line-height-computed + $font-size-sm);
   }
 }
 
@@ -339,6 +345,7 @@ input[type="checkbox"] {
     padding: $padding-lg-vertical $padding-lg-horizontal;
     font-size: $font-size-lg;
     line-height: $line-height-lg;
+    min-height: ($line-height-computed + $font-size-lg);
   }
 }
 

scss/_responsive-embed.scss

@@ -22,14 +22,14 @@
     height: 100%;
     border: 0;
   }
-
-  // Modifier class for 16:9 aspect ratio
-  &.embed-responsive-16by9 {
-    padding-bottom: 56.25%;
-  }
-
-  // Modifier class for 4:3 aspect ratio
-  &.embed-responsive-4by3 {
-    padding-bottom: 75%;
-  }
+}
+
+// Modifier class for 16:9 aspect ratio
+.embed-responsive-16by9 {
+  padding-bottom: 56.25%;
+}
+
+// Modifier class for 4:3 aspect ratio
+.embed-responsive-4by3 {
+  padding-bottom: 75%;
 }

scss/_type.scss

@@ -162,7 +162,7 @@ abbr[data-original-title] {
 }
 .initialism {
   font-size: 90%;
-  text-transform: uppercase;
+  @include text-uppercase;
 }
 
 // Blockquotes