update fireball-x/dev#503:BitmapText set Text bug
update fireball-x/dev#503:BitmapText set Text bug

cocos-creator/deprecated_engine,knoxHuang/engine,cocos-creator/deprecated_engine,cocos-creator/deprecated_engine,fireball-x/deprecated_engine,fireball-x/deprecated_engine,knoxHuang/engine,fireball-x/deprecated_engine,knoxHuang/engine