feat(global): display a message when no item available in a list view (#263)

app/components/images/images.html

@@ -107,6 +107,9 @@
                 <td>{{ image.VirtualSize|humansize }}</td>
                 <td>{{ image.Created|getisodatefromtimestamp }}</td>
               </tr>
+              <tr ng-if="images.length == 0">
+                <td colspan="5" class="text-center text-muted">No images available.</td>
+              </tr>
             </tbody>
           </table>
         </div>

app/components/images/imagesController.js

@@ -5,6 +5,7 @@ function ($scope, $state, Config, Image, Messages) {
   $scope.sortType = 'RepoTags';
   $scope.sortReverse = true;
   $scope.state.selectedItemCount = 0;
+  $scope.images = [];
 
   $scope.config = {
     Image: '',