Added label color box in dropdown

app/assets/javascripts/labels_select.js.coffee

@@ -78,8 +78,11 @@ class @LabelsSelect
           else
             selected = if label.title is selectedLabel then 'is-active' else ''
 
+          color = if label.color? then "<span class='dropdown-label-box' style='background-color: #{label.color}'></span>" else ""
+
           "<li>
             <a href='#' class='#{selected}'>
+              #{color}
               #{label.title}
             </a>
           </li>"

app/assets/stylesheets/framework/dropdowns.scss

@@ -354,11 +354,11 @@
   }
 }
 
-.dropdown-menu-labels {
-  .label {
-    position: relative;
-    width: 30px;
-    margin-right: 5px;
-    text-indent: -99999px;
-  }
+.dropdown-label-box {
+  position: relative;
+  top: 3px;
+  display: inline-block;
+  width: 20px;
+  height: 16px;
+  border-radius: 3px;
 }