fix(views): remove dynamic component views, free host views, free embedded views

Closes #2472
Closes #2339

BREAKING CHANGE
- `Compiler.compile` has been removed, the only way to compile
  components dynamically is via `Compiler.compileInHost`
- `DynamicComponentLoader.loadIntoExistingLocation` has changed:
  * renamed into `loadIntoLocation`
  * will always create the host element as well
  * requires an element with a variable inside of the host component view
    next to which it will load new component.
- `DynamicComponentLoader.loadNextToExistingLocation` was renamed into
  `DynamicComponentLoader.loadNextToLocation`
- `DynamicComponentLoader.loadIntoNewLocation` is removed
  * use `DynamicComponentLoader.loadNextToLocation` instead
    and then move the view nodes
    manually around via `DomRenderer.getRootNodes()`
- `AppViewManager.{create,destroy}Free{Host,Embedded}View` was removed
  * use `AppViewManager.createViewInContainer` and then move the view nodes
    manually around via `DomRenderer.getRootNodes()`
- `Renderer.detachFreeView` was removed. Use `DomRenderer.getRootNodes()`
  to get the root nodes of a view and detach them manually.

modules/angular2/test/render/dom/dom_renderer_integration_spec.ts

@@ -40,20 +40,6 @@ export function main() {
              });
        }));
 
-    it('should create and destroy free views',
-       inject([AsyncTestCompleter, DomTestbed], (async, tb) => {
-         tb.compiler.compileHost(someComponent)
-             .then((hostProtoViewDto) => {
-               var view = new TestView(tb.renderer.createView(hostProtoViewDto.render));
-               var hostElement = tb.renderer.getRootNodes(view.viewRef)[0];
-               DOM.appendChild(tb.rootEl, hostElement);
-
-               tb.renderer.detachFreeView(view.viewRef);
-               expect(DOM.parentElement(hostElement)).toBeFalsy();
-               async.done();
-             });
-       }));
-
     it('should attach and detach component views',
        inject([AsyncTestCompleter, DomTestbed], (async, tb) => {
          tb.compileAll([