nav, buttons, and docs updates to account for outline: 0; on :active

less/button-groups.less

@@ -78,6 +78,13 @@
   z-index: 2;
 }
 
+// On active and open, don't show outline
+.btn-group .dropdown-toggle:active,
+.btn-group.open .dropdown-toggle {
+  outline: 0;
+}
+
+
 
 // Split button dropdowns
 // ----------------------

less/buttons.less

@@ -88,6 +88,7 @@
     background-color: darken(@white, 10%);
     background-color: darken(@white, 15%) e("\9");
     color: rgba(0,0,0,.5);
+    outline: 0;
   }
   &.disabled,
   &[disabled] {

less/dropdowns.less

@@ -5,10 +5,14 @@
 .dropdown {
   position: relative;
 }
-.dropdown .dropdown-toggle {
+.dropdown-toggle {
   // The caret makes the toggle a bit too tall in IE7
   *margin-bottom: -3px;
 }
+.dropdown-toggle:active,
+.open .dropdown-toggle {
+  outline: 0;
+}
 // Dropdown arrow/caret
 .caret {
   display: inline-block;

less/mixins.less

@@ -29,10 +29,6 @@
   // Webkit
   outline: 5px auto -webkit-focus-ring-color;
   outline-offset: -2px;
-  // Firefox
-  -moz-outline: 5px auto -moz-mac-focusring;
-  -moz-outline-radius: 6px;
-  -moz-outline-offset: 0;
 }
 
 // Center-align a block level element