refactor(async): replace RxJS with RxNext

Closes #3110
Closes #4201

docs/typescript-definition-package/index.js

@@ -50,7 +50,7 @@ module.exports = new Package('angular-v2-docs', [jsdocPackage, nunjucksPackage,
   createTypeDefinitionFile.typeDefinitions = [
     {
       id: 'angular2/angular2',
-      references: ['../es6-promise/es6-promise.d.ts', '../rx/rx.d.ts'],
+      references: ['../es6-promise/es6-promise.d.ts'],
       modules: {
         'angular2/angular2': {namespace: 'ng', id: 'angular2/angular2'},
         'angular2/web_worker/worker': {namespace: 'ngWorker', id: 'angular2/web_worker/worker'},

docs/typescript-package/processors/readTypeScriptModules.js

@@ -359,8 +359,8 @@ module.exports = function readTypeScriptModules(tsParser, modules, getFileInfo,
   function getType(sourceFile, type) {
     var text = getText(sourceFile, type);
     while (text.indexOf(".") >= 0) {
-      // Keep namespaced symbols in Rx
-      if (text.match(/^\s*Rx\./)) break;
+      // Keep namespaced symbols in RxNext
+      if (text.match(/^\s*RxNext\./)) break;
       // handle the case List<thing.stuff> -> List<stuff>
       text = text.replace(/([^.<]*)\.([^>]*)/, "$2");
     }