message: docs(README): update usage information
diff: @@ -36,19 +36,10 @@ By contributing or commenting on issues in this repository, whether you've read
  npm install rxjs@alpha
  ```
  -To import the entire core set of functionality:
  -
  -```js
  -import Rx from 'rxjs/Rx';
  -
  -Rx.Observable.of(1,2,3)
  -```
  -
  To import only what you need by patching (this is useful for size-sensitive bundling):
  ```js
  -import { Observable, Subject, ReplaySubject } from 'rxjs';
  -import { from, of, range } from 'rxjs/create';
  +import { Observable, Subject, ReplaySubject, from, of, range } from 'rxjs';
  import { map, filter, switchMap } from 'rxjs/operators';
  range(1, 200)
  @@ -67,8 +58,7 @@ npm install rxjs@alpha
  (Note: destructuring available in Node 8+)
  ```js
  -const { Observable, Subject, ReplaySubject } = require('rxjs');
  -const { from, of, range } = require('rxjs/create');
  +const { Observable, Subject, ReplaySubject, from, of, range } = require('rxjs');
  const { map, filter, switchMap } = require('rxjs/operators');
  range(1, 200)
  @@ -80,15 +70,17 @@ range(1, 200)
  For CDN, you can use [unpkg](https://unpkg.com/):
  -https://unpkg.com/rxjs/bundles/Rx.min.js
  +https://unpkg.com/rxjs/bundles/rxjs.umd.min.js
  -#### Node.js Usage:
  +The global namespace for rxjs is `rxjs`:
  ```js
  -var Rx = require('@reactivex/rxjs');
  +const { Observable, Subject, ReplaySubject, from, of, range } = rxjs;
  +const { map, filter, switchMap } = rxjs.operators;
  -Rx.Observable.of('hello world')
  - .subscribe(function(x) { console.log(x); });
  +range(1, 200)
  + .pipe(filter(x => x % 2 === 1), map(x => x + x))
  + .subscribe(x => console.log(x));
  ```
  ## Goals
  