add laser class and resources.
Merge branch 'master' of https://github.com/yuye-liu/cocostudioSampleGmae into myMaster
gameScene destroy methed
Merge pull request #24 from RaoZiJian/myMaster

Add laser class and resources
Merge branch 'master' of https://github.com/yuye-liu/cocostudioSampleGmae
destroy add to .h
Merge branch 'master' of https://github.com/yuye-liu/cocostudioSampleGmae into myWork