ReactiveCocoa/ReactiveCocoa — pull request #1154 by Coneko (2014-03-03 23:52:34+00:00)
Title: Remove automatic disposal on deallocation.

This change makes the implementation of `RACLiveSubscriber` and `RACSubject` *marginally* simpler, but doesn't change the contract in any way (`` doesn't guarantee disposal of subscriptions on deallocation).

Correct signals aren't affected: in the case of finite signals the contract states signals should end with `completed` or `error`, and that would trigger the disposal; infinite signals would have to be disposed of explicitly anyway.