Revert "Added base iOS 7-based project using SpriteKit."

This reverts commit b3a54acd5001bf8d1c6b1f20bfc6db840bd040eb.
Revert "Revert "Added base iOS 7-based project using SpriteKit.""

This reverts commit 1c9897ce6f19a21a90478eb78e5af77463a4a9bc.
Added Attack Node. Added physics collision for attack nodes. Moved tap to attack to player node.
Merge branch 'develop'