[TIMOB-17648] Ignore popovers for supported orientations
[TIMOB-17648] Track and ignore active UIAlertControllers on iOS8
Merge pull request #6066 from vishalduggal/timob-17648-34X

[TIMOB-17648] (3_4_X) iOS8: iPad Alert dialog does not consider window orientation modes
nil check
Merge pull request #6069 from vishalduggal/timob-17648-34X

[TIMOB-17648] nil check