jessesquires/MessagesTableViewController — pull request #231 by koenbud (2014-04-17 01:09:52+00:00)
Title: issue_213_fix - Check if keyboard is visible before animations

Check if keyboard is visible before performing animations on it after
UIGestureRecognizerStateEnded.
When the user swipes down too fast, the keyboard is no longer visible,
but jsq_handlePanGestureRecognizer:(UIPanGestureRecognizer *)pan still
tried to animate it.