refactor(render): use RenderElementRef in all renderer methods

BREAKING CHANGES:
- Almost all methods in `Renderer` now take a `RenderElementRef` instead
  of a `ViewRef` + `boundElementIndex`.
- These methods can be called with the `ElementRef` from the app side
  directly.

Closes #2706
Related to #2476

modules/angular2/src/forms/directives/shared.ts

@@ -49,6 +49,5 @@ function _throwError(dir: NgControl, message: string): void {
 
 export function setProperty(renderer: Renderer, elementRef: ElementRef, propName: string,
                             propValue: any) {
-  renderer.setElementProperty(elementRef.parentView.render, elementRef.boundElementIndex, propName,
-                              propValue);
-}
+  renderer.setElementProperty(elementRef, propName, propValue);
+}