Netflix/RxJava — pull request #1021 by mttkay (2014-04-06 09:43:05+00:00)
Title: OperatorWeakBinding to not use WeakReferences anymore

related issues:
https://github.com/Netflix/RxJava/pull/1008
https://github.com/Netflix/RxJava/issues/1006
https://github.com/Netflix/RxJava/issues/979

I changed the samples to actually use `bindActivity` and `bindFragment`