Addresses the keyboard overlap issue on iOS 7 and simplifies a little of the logic. There is one outstanding oddity in iOS 8 portrait only where we lose 10pts in the margin calculation. No idea why yet.
Addresses the keyboard overlap issue on iOS 7 and simplifies a little of the logic. There is one outstanding oddity in iOS 8 portrait only where we lose 10pts in the margin calculation. No idea why yet.

kobim/SlackTextViewController,kobim/SlackTextViewController,slackhq/SlackTextViewController,slackhq/SlackTextViewController