Merge pull request #40 from NativeScript/nnikolov/TextValueAccessorAsNSDirective

Included TextValueAccessor directive as NS_Directive.

Author: Nedyalko Nikolov

Diff for: src/nativescript-angular/directives/ns-directives.ts

@@ -1,4 +1,5 @@
 import {Type} from 'angular2/src/facade/lang';
 import {ListItemTemplate, ListViewDirective} from './list-view';
+import { TextValueAccessor } from '../text-value-accessor';
 
-export const NS_DIRECTIVES: Type[] = [ListItemTemplate, ListViewDirective];
+export const NS_DIRECTIVES: Type[] = [ListItemTemplate, ListViewDirective, TextValueAccessor];