Merge branch '3.0.0-wip' of https://github.com/cvrebert/bootstrap into cvrebert-3.0.0-wip

Conflicts:
	docs/assets/css/bootstrap.css
	less/mixins.less

less/buttons.less

@@ -39,7 +39,8 @@
   }
 
   &.disabled,
-  &[disabled] {
+  &[disabled],
+  fieldset[disabled] & {
     cursor: default;
     .opacity(65);
     .box-shadow(none);
@@ -138,7 +139,8 @@ input[type="button"] {
 // Make a button look and behave like a link
 .btn-link,
 .btn-link:active,
-.btn-link[disabled] {
+.btn-link[disabled],
+fieldset[disabled] .btn-link {
   background-color: transparent;
   background-image: none;
   .box-shadow(none);
@@ -154,7 +156,12 @@ input[type="button"] {
   text-decoration: underline;
   background-color: transparent;
 }
-.btn-link[disabled]:hover {
-  color: @grayDark;
-  text-decoration: none;
+.btn-link {
+  &[disabled],
+  fieldset[disabled] & {
+    &:hover {
+      color: @grayDark;
+      text-decoration: none;
+    }
+  }
 }