Merge pull request #697 from kwhatmough/next

Adds missing swipe directions for iOS plus some minor clean-up of layout...
- Moves Font, Form and Sprite shaders to file in the gameplay/res/shaders directory
- Cleaned up shaders and removed shader/lib folder.
Merge branch 'next' of https://github.com/blackberry/GamePlay into next
Merge pull request #698 from seanpaultaylor/next

Next