Merge pull request #8 from dumganhar/master

Refactor folder structure, put some stuffs to 'frameworks' folder.
Merge pull request #10 from dumganhar/master

Updates submodule of cocos2d-x. Updates tojs and travis-scripts
Merge pull request #11 from dumganhar/master

Adds AUTHORS,CHANGELOG,docs folder.
[travis ci] Updates generate-bindings.sh