Merge pull request #102 from mono/master

Replace Create factory methods with constructors - CCActionEase, CCEaseBackXX, CCEaseElasticXX
mono #55, 56, #42
#28 WIP Added PopScene with a transition, but the pop-to scene does not show during the transition.
in-scene of pop transition is showing now.
minor changes to identify the running scene
Merge pull request #103 from totallyevil/ISSUE_28_R1

popScene with transition!
the collision mask generator for sprite textures.
Initialize - Structures