Merge pull request #175 from mono/master

Fix compile error on iOS and Mac
added in-out actions to the layer multiplexer
fixed CCParallel.Reverse
Merge branch 'master' of https://github.com/totallyevil/cocos2d-xna
reproduced issue #173
Added property accessors for the in and out actions. added return of the magnitude of the point vector during normalize.
Merge branch 'master' of https://github.com/totallyevil/cocos2d-xna
Rename InputState to CCInputState.
Merge remote-tracking branch 'upstream/master'
Merge branch 'master' of https://github.com/mono/cocos2d-xna