spritebuilder/SpriteBuilder — pull request #383 by LearnCocos2D (2014-04-16 10:32:57+00:00)
Title: (post-beta) CCBXCocos2diPhoneWriter flag to prevent exporting any non-Spritekit properties

basically just adding a flag and adding "if (_exportingToSpriteKit == NO) ..." around physics related writer code