[TIMOB-17373] Fix disappearing selectors on iOS7 and above
[TIMOB-17373] Ensure reloadData is not called in begin/end Updates block
[TIMOB-17373] Add check for iOS8
[TIMOB-17373] Set default rowHeight in iOS8 and above
Merge pull request #5953 from vishalduggal/timob-17373

[TIMOB-17373] iOS: Disappearing separators on iOS7 and iOS8