Updating travic-ci scripts.
Regular expression fix for generate-jsbindings.sh.
Merge pull request #4040 from dumganhar/travis-update

Updating travic-ci scripts.
can run build-android.python in any path
Merge pull request #4041 from minggo/iss2905-adjust_folder

can run build-android.python in any path
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-x into developHttp