move CC_Texture0 to be compatible with jsb
Merge pull request #2356 from joshuastray/new_renderer

move CC_Texture0 to be compatible with jsb
Merge pull request #2357 from dingpinglv/Iss5968_RefactorCanvasRenderer

Issue #5968: fixed bugs of cc.DrawNode and eventHelper
Closed #5987: added normalized position to cc.Node
Merge pull request #2358 from dingpinglv/Iss5987_NormalizedPosition

Closed #5987: added normalized position to cc.Node
Issue #5968: fixed a bug of cc.Layer that its bake function doesn't work