PLT-3508/PLT-3516/PLT-3558/PLT-3570/PLT-3497 Multiple UI Improvements (#3553)

* PLT-3627 - Fixing spacing in RHS

* PLT-3516 - Fixing errors in backstage

* PLT-3558 - Fixing system console menu on small screens

* PLT-3570 - Fixing account settings sidebar truncating issue

* PLT-3497 - Moving see other themes link

* Removing formatted message import from premade theme chooser

webapp/components/form_error.jsx

@@ -7,6 +7,7 @@ export default class FormError extends React.Component {
     static get propTypes() {
         // accepts either a single error or an array of errors
         return {
+            type: React.PropTypes.node,
             error: React.PropTypes.node,
             margin: React.PropTypes.node,
             errors: React.PropTypes.arrayOf(React.PropTypes.node)
@@ -40,6 +41,16 @@ export default class FormError extends React.Component {
             return null;
         }
 
+        if (this.props.type === 'backstage') {
+            return (
+                <div className='pull-left has-error'>
+                    <label className='control-label'>
+                        {message}
+                    </label>
+                </div>
+            );
+        }
+
         if (this.props.margin) {
             return (
                 <div className='form-group has-error'>