Add user state filter

pending layout fix if decided where it should be
the toolbar is getting crowded

src/views/users.html

@@ -608,6 +608,7 @@
           </ul>
         </div>
       </div>
+      <multiselect class="pull-right" style="margin-left: 5px;" ng-model="userStateFilter" ms-header="{{ 'apps.stateFilterHeader' | tr }}" ms-selected="{{ userStateFilter }}" options="state.label for state in userStates" data-multiple="false"></multiselect>
       <input type="text" id="userSearchInput" class="form-control pull-right" style="max-width: 350px;" ng-model="userSearchString" ng-model-options="{ debounce: 1000 }" ng-change="updateFilter()" placeholder="{{ 'main.searchPlaceholder' | tr }}"/>
     </h1>
   </div>