Revert "Revert "update authors and changelog""

This reverts commit fa9aeb84da609b61c5d8353c63cc2bcf366100f9.
Revert "Revert "modify readme""

This reverts commit ed4f49f95a6e038138f54265975fe8235172924c.
modify project to move AUTHORS README CHANGELOG to dragon flame rather then cocos2dx