fix(uiSelectNoChoice): make compatible with Angular 1.5

...and non-cached templates. 

Same change introduced in 0e85670

Closes #1609

Author: Bogdan Alexe

src/uiSelectNoChoiceDirective.js

@@ -6,9 +6,12 @@ uis.directive('uiSelectNoChoice',
             replace: true,
             transclude: true,
             templateUrl: function (tElement) {
+                // Needed so the uiSelect can detect the transcluded content
+                tElement.addClass('ui-select-no-choice');
+      
                 // Gets theme attribute from parent (ui-select)
                 var theme = tElement.parent().attr('theme') || uiSelectConfig.theme;
                 return theme + '/no-choice.tpl.html';
             }
         };
-    }]);
+    }]);