Merge remote-tracking branch 'remotes/origin/RxJS' into RxJS
Aligned backpressure defintion to v2.3.
Removed clear, contains from CompositeDisposable.
Made SerialDisposable be an alias of SingleAssigmentDisposable.
Added helpers.isFunction; added thisArg to Observer.fromNotifier; added Observable.subscribeOn*.
Added tap, doOn*, tapOn*, throwError, catchError.
Fixed `takeLast`, added `pluck`, `config.useNativeEvents`.
Moved removed `rx.time` operators from rx.time-lite to rx.time.
Fix for issue 1 - SchedulerStatic
Merge pull request #2 from bparadie/master

Fix for issue 1 - SchedulerStatic
Add type definitions for heatmap.js
Update contributor list
move to legacy
fix eventemitter2 in browser
add socket.io 1.2.0
add socket.io-client 1.2.0
Update TestUtils.findRenderedComponentWithType

This function gets that actual React component rather than
the element. This allows the tester to call functions like setState
on the component as shown in the new test.
Correct a comment
Put variables into alphabetical order
update CONTRIBUTORS.md