refactor(async): replace RxJS with RxNext

Closes #3110
Closes #4201

modules/examples/src/http/index.ts

@@ -1,5 +1,3 @@
-/// <reference path="../../../angular2/typings/rx/rx.d.ts" />
-
 import {bootstrap} from 'angular2/bootstrap';
 import {HTTP_BINDINGS} from 'angular2/http';
 import {HttpCmp} from './http_comp';

modules/examples/src/jsonp/index.ts

@@ -1,5 +1,3 @@
-/// <reference path="../../../angular2/typings/rx/rx.d.ts" />
-
 import {bootstrap} from 'angular2/bootstrap';
 import {JSONP_BINDINGS} from 'angular2/http';
 import {JsonpCmp} from './jsonp_comp';

modules/examples/src/web_workers/images/loader.js

@@ -4,10 +4,7 @@ importScripts("b64.js");
 
 System.config({
   baseURL: '/',
-  defaultJSExtensions: true,
-  paths: {
-    'rx': 'examples/src/web_workers/images/rx.js'
-  }
+  defaultJSExtensions: true
 });
 
 System.import("examples/src/web_workers/images/background_index")

modules/examples/src/web_workers/kitchen_sink/loader.js

@@ -2,10 +2,7 @@ $SCRIPTS$
 
 System.config({
   baseURL: '/',
-  defaultJSExtensions: true,
-  paths: {
-    'rx': 'examples/src/web_workers/kitchen_sink/rx.js'
-  }
+  defaultJSExtensions: true
 });
 
 System.import("examples/src/web_workers/kitchen_sink/background_index")

modules/examples/src/web_workers/message_broker/loader.js

@@ -1,10 +1,9 @@
 $SCRIPTS$
 
-    System.config({
-      baseURL: '/',
-      defaultJSExtensions: true,
-      paths: {'rx': 'examples/src/web_workers/message_broker/rx.js'}
-    });
+System.config({
+  baseURL: '/',
+  defaultJSExtensions: true
+});
 
 System.import("examples/src/web_workers/message_broker/background_index")
     .then(

modules/examples/src/web_workers/todo/loader.js

@@ -2,10 +2,7 @@ $SCRIPTS$
 
 System.config({
   baseURL: '/',
-  defaultJSExtensions: true,
-  paths: {
-    'rx': 'examples/src/web_workers/todo/rx.js'
-  }
+  defaultJSExtensions: true
 });
 
 System.import("examples/src/web_workers/todo/background_index")