Deployment target updated to iOS5 / OSX10.7
Added warning to OSX Slice9 test
Node and batch-node support for CCNode based touch handling.
Support for late adding of touchable nodes
CCNode based touch implemented
Added Touch protocol
Basic CCMenu / CCMenuItem functionality
Final touch functionality implemented. Still misses some CCMenu functionality. iOS only
iOS touch functionality implemented, similar to Sprite Kit
Merge pull request #328 from vlidholt/cclabelttf

Fixes to CCLabelTTF
Mac mouse functionality implemented ( tests missing )
Mac tests refactored for new mouse handling
Various Mac test fixes
Improved Mac mouse handling
Responder dirty iOS bug fix
Responder Mac position bug fix
Added Touch tests for Mac and iOS
Merged #330