refactor(facade): use rxjs package

move to new RxJS distribution.

BREAKING CHANGE:

RxJS imports now are via `rxjs` instead of `@reactivex/rxjs`
Individual operators can be imported `import 'rxjs/operators/map'`

modules/angular2/test/public_api_spec.ts

@@ -689,47 +689,12 @@ var NG_ALL = [
   'EventEmitter.emit():js',
   'Observable:js',
   'Observable#create():js',
-  'Observable.buffer():js',
-  'Observable.bufferCount():js',
-  'Observable.bufferTime():js',
-  'Observable.bufferToggle():js',
-  'Observable.bufferWhen():js',
-  'Observable.catch():js',
-  'Observable.combineAll():js',
-  'Observable.combineLatest():js',
-  'Observable.concat():js',
-  'Observable.concatAll():js',
-  'Observable.concatMap():js',
-  'Observable.concatMapTo():js',
-  'Observable.count():js',
-  'Observable.debounce():js',
-  'Observable.debounceTime():js',
-  'Observable.defaultIfEmpty():js',
-  'Observable.delay():js',
-  'Observable.dematerialize():js',
-  'Observable.distinctUntilChanged():js',
-  'Observable.do():js',
-  'Observable.every():js',
-  'Observable.expand():js',
-  'Observable.filter():js',
-  'Observable.finally():js',
-  'Observable.first():js',
-  'Observable.flatMap():js',
-  'Observable.flatMapTo():js',
   'Observable.forEach():js',
-  'Observable.groupBy():js',
-  'Observable.ignoreElements():js',
-  'Observable.last():js',
+  'Observable#fromPromise():js',
   'Observable.lift():js',
-  'Observable.map():js',
-  'Observable.mapTo():js',
-  'Observable.materialize():js',
-  'Observable.merge():js',
-  'Observable.mergeAll():js',
-  'Observable.mergeMap():js',
-  'Observable.mergeMapTo():js',
-  'Observable.multicast():js',
-  'Observable.observeOn():js',
+  'Observable.subscribe():js',
+  'Observable.take():js',
+  'Observable.toPromise():js',
 
   'OutputMetadata',
   'OutputMetadata.bindingPropertyName',