Merge branch 'ademaro-patch-1' into 2.0.4-wip

Author: mdo

less/mixins.less

@@ -84,6 +84,9 @@
   :-moz-placeholder {
     color: @color;
   }
+  :-ms-input-placeholder {
+    color: @color;
+  }
   ::-webkit-input-placeholder {
     color: @color;
   }