Is the 1.x branch ready for a 1.0.8 release?

#2809 Fixed takeUntil not unsubscribing from either of the observables in case of a terminal condition.
#2804 ObserveOn throughput enhancements
#2767 Optimized scalar observeOn/subscribeOn
#2776 Experimental: add new operator onBackpressureDrop(Action1 onDrop)
#2788 Fix the bug that 'publish' will cache items when no subscriber
#2779 OperatorMulticast.connect(connection) should not return null
#2771 OnSubscribeRange request overflow check
#2770 OperatorOnBackpressureDrop request overflow check
#2769 OperatorCombineLatest request overflow check