8213622: Windows VS2013 build failure - "'snprintf': identifier not found" Summary: Replace snprintf with strlen and memcpy Reviewed-by: dholmes, mvala, kbarrett

8213818: @return has already been specified Reviewed-by: rriggs

8213795: Force explicit null check on patching placeholder offset Reviewed-by: kvn, adinn

8204142: AWT hang occurs when sequenced events arrive out of sequence in multiple AppContexts Summary: Improvements on the synchronization of SequencedEvent events from different AppContexts Reviewed-by: serb