ReactiveX/RxJava — pull request #2244 by davidmoten (2014-12-24 19:26:42+00:00)
Title: OperatorTakeLast add check for isUnsubscribed to fast path

Went looking for a bug that wasn't a bug but found this anyway. ```OperatorTakeLast``` doesn't check ```subscriber.isUnsubscribed()``` while emitting its queued events so I added a failing unit test and the fix.