fix the bug that `parent_module` for some classes may not have values.
Merge branch 'develop' of git://github.com/cocos2d/bindings-generator into v3_fix
Merge pull request #119 from samuele3hu/v3_fix

Fix the bug that `parent_module` for some classes may not have values.
Merge branch 'develop' of git://github.com/cocos2d/bindings-generator into macroJudgement