chore(router): changes the router setup to align with other modules

modules/@angular/router/rollup.config.js

@@ -0,0 +1,29 @@
+export default {
+  entry: '../../../dist/packages-dist/router/esm/index.js',
+  dest: '../../../dist/packages-dist/router/esm/router.umd.js',
+  format: 'umd',
+  moduleName: 'ng.router',
+  globals: {
+    '@angular/core': 'ng.core',
+    '@angular/common': 'ng.common',
+    '@angular/compiler': 'ng.compiler',
+    '@angular/platform-browser': 'ng.platformBrowser',
+    '@angular/platform-browser-dynamic': 'ng.platformBrowserDynamic',
+
+    'rxjs/Observable': 'Rx',
+    'rxjs/Subject': 'Rx',
+    'rxjs/BehaviorSubject': 'Rx',
+    'rxjs/Observer': 'Rx',
+    'rxjs/Subscription': 'Rx',
+
+    'rxjs/observable/PromiseObservable': 'Rx', // this is wrong, but this stuff has changed in rxjs b.6 so we need to fix it when we update.
+    'rxjs/operator/toPromise': 'Rx.Observable.prototype',
+    'rxjs/operator/map': 'Rx.Observable.prototype',
+    'rxjs/operator/mergeMap': 'Rx.Observable.prototype',
+    'rxjs/operator/mergeAll': 'Rx.Observable.prototype',
+    'rxjs/operator/every': 'Rx.Observable.prototype',
+  },
+  plugins: [
+//    nodeResolve({ jsnext: true, main: true }),
+  ]
+}