rx.js renamed to rx.
Added few helpers functions.
Removed rx files before merging.
Merge remote-tracking branch 'rx/master' into RxJS
Added few helpers functions.
Merge branch 'master' of https://github.com/Igorbek/rx.d.ts into RxJS
Added ObservableStatic.from definition.
Removed scheduler parameter from fromCallback and fromNodeCallback.
Exchanged parameters scheduler and context in ObservableStatic.start.
Exchanged parameters scheduler and context in ObservableStatic.toAsync.
Merge branch 'master' of https://github.com/Igorbek/rx.d.ts into RxJS
Added return type annotation in ObservableStatic.from.
Merge branch 'master' of https://github.com/Igorbek/rx.d.ts into RxJS
Fixed rx.async-tests.ts.
Merge branch 'master' of https://github.com/Igorbek/rx.d.ts into RxJS
Made `scheduler` parameter of `Observable.timer` optional (fixes Reactive-Extensions/RxJS#282).
Merge branch 'master' of https://github.com/Igorbek/rx.d.ts into RxJS
Merge pull request #2911 from Igorbek/RxJS

Updating RxJS