OperatorDebounce
Removed localTerminate as it is never observed as true at that point.
OperatorGroupByUntil
OperatorGroupJoin
OperatorTimerAndSample
OperatorToMultimap
OperatorToMap
OperatorAsync
Removed deprecated API
Call action immediately in HandlerThreadScheduler

if action is scheduled in current looper thread than just invoke Action instead of posting it as Runnable
OperatorJoin
OperatorMergeDelayError
Fix last test case.
OperatorMergeMaxConcurrent
Fix ReplaySubject's double termination problem.
OperatorMulticastAndReplay
OperatorOnErrorResumeNextViaObservable
OperatorOnErrorReturn
OperatorUsing
OperatorTimeInterval