Merge branch 'master' into modular-the-mixins

Conflicts:
	dist/css/bootstrap.css.map
	docs/assets/js/raw-files.min.js
	docs/dist/css/bootstrap.css.map

dist/css/bootstrap-rtl.css

@@ -4046,7 +4046,7 @@ tbody.collapse.in {
 
 .btn-group > .btn:focus,
 .btn-group-vertical > .btn:focus {
-  outline: none;
+  outline: 0;
 }
 
 .btn-group .btn + .btn,
@@ -4801,7 +4801,7 @@ select[multiple].input-group-sm > .input-group-btn > .btn {
 }
 
 .navbar-toggle:focus {
-  outline: none;
+  outline: 0;
 }
 
 .navbar-toggle .icon-bar {
@@ -6571,7 +6571,7 @@ button.close {
   border: 1px solid #999;
   border: 1px solid rgba(0, 0, 0, .2);
   border-radius: 6px;
-  outline: none;
+  outline: 0;
   -webkit-box-shadow: 0 3px 9px rgba(0, 0, 0, .5);
           box-shadow: 0 3px 9px rgba(0, 0, 0, .5);
 }
@@ -7011,7 +7011,7 @@ button.close {
   color: #fff;
   text-decoration: none;
   filter: alpha(opacity=90);
-  outline: none;
+  outline: 0;
   opacity: .9;
 }
 

dist/css/bootstrap.css

@@ -3207,7 +3207,7 @@ tbody.collapse.in {
 }
 .btn-group > .btn:focus,
 .btn-group-vertical > .btn:focus {
-  outline: none;
+  outline: 0;
 }
 .btn-group .btn + .btn,
 .btn-group .btn + .btn-group,
@@ -3835,7 +3835,7 @@ select[multiple].input-group-sm > .input-group-btn > .btn {
   border-radius: 4px;
 }
 .navbar-toggle:focus {
-  outline: none;
+  outline: 0;
 }
 .navbar-toggle .icon-bar {
   display: block;
@@ -5303,7 +5303,7 @@ button.close {
   border: 1px solid #999;
   border: 1px solid rgba(0, 0, 0, .2);
   border-radius: 6px;
-  outline: none;
+  outline: 0;
   -webkit-box-shadow: 0 3px 9px rgba(0, 0, 0, .5);
           box-shadow: 0 3px 9px rgba(0, 0, 0, .5);
 }
@@ -5678,7 +5678,7 @@ button.close {
   color: #fff;
   text-decoration: none;
   filter: alpha(opacity=90);
-  outline: none;
+  outline: 0;
   opacity: .9;
 }
 .carousel-control .icon-prev,