Release of 1.0.0

- Merge pull request #6 from ReactiveX/fixes-for-1.0
- Fix longCount -> countLong for Rx 1.0. See issue #5
- RxJava 1.0.0
- RxJava 1.0.x

Release of 1.0.0-rc.1

- RxJava 1.0.x

Release of 0.21.0