[TIMOB-17648] Ignore popovers for supported orientations
[TIMOB-17648] Track and ignore active UIAlertControllers on iOS8
Merge pull request #6065 from vishalduggal/timob-17648

[TIMOB-17648] iOS8: iPad Alert dialog does not consider window orientation modes
[TIMOB-17648] nil check
Merge pull request #6070 from vishalduggal/timob-17648

[TIMOB-17648] nil check