Merge branch 'control-list-right-margin' into 'master'

Fix right margin of control list

Before:

![Screen_Shot_2015-12-16_at_16.29.39](/uploads/7a6aa79b6af0900d9257ce86ab822a22/Screen_Shot_2015-12-16_at_16.29.39.png)

After:

![Screen_Shot_2015-12-16_at_16.29.45](/uploads/d52fdc70ecd63fc61ae6ae87b3b7d1a5/Screen_Shot_2015-12-16_at_16.29.45.png)


See merge request !2114

app/assets/stylesheets/framework/lists.scss

@@ -143,7 +143,11 @@ ul.controls {
 
   > li {
     float: left;
-    padding-right: 10px;
+    margin-right: 10px;
+    
+    &:last-child {
+      margin-right: 0;
+    }
 
     .author_link {
       display: inline-block;