fix(projection): allow to project to a non text node

We already had a test for this, but too low level that it did not catch this null value in `hasNativeShadowRoot`

Fixes #3230
Closes #3241

modules/angular2/test/core/compiler/projection_integration_spec.ts

@@ -73,6 +73,25 @@ export function main() {
              });
        }));
 
+    it('should support projecting text interpolation to a non bound element',
+       inject([TestComponentBuilder, AsyncTestCompleter], (tcb: TestComponentBuilder, async) => {
+         tcb.overrideView(
+                Simple,
+                new viewAnn.View(
+                    {template: 'SIMPLE(<div><ng-content></ng-content></div>)', directives: []}))
+             .overrideView(
+                 MainComp,
+                 new viewAnn.View({template: '<simple>{{text}}</simple>', directives: [Simple]}))
+             .createAsync(MainComp)
+             .then((main) => {
+
+               main.componentInstance.text = 'A';
+               main.detectChanges();
+               expect(main.nativeElement).toHaveText('SIMPLE(A)');
+               async.done();
+             });
+       }));
+
     it('should not show the light dom even if there is no content tag',
        inject([TestComponentBuilder, AsyncTestCompleter], (tcb: TestComponentBuilder, async) => {
          tcb.overrideView(MainComp,