added a default ctor to make the transitions work with the popScene(with transition).
Merge pull request #153 from mono/master

Refactoring for Documentation
Merge branch 'master' of https://github.com/totallyevil/cocos2d-xna

Conflicts:
	cocos2d/layers_scenes_transitions_nodes/transition/CCTransitionFlipAngular.cs
	cocos2d/layers_scenes_transitions_nodes/transition/CCTransitionFlipX.cs
	cocos2d/layers_scenes_transitions_nodes/transition/CCTransitionZoomFlipY.cs
fixes for compile errors from the namespace change and change to DrawManager name.
Remove one of the ccTypes.