Closed #3476: The bug of cc.LabelBMFont has been fixed that multi-line is incorrect.
Merge branch 'develop' of https://github.com/cocos2d/cocos2d-html5 into Iss3476_LabelBMFontMultiLine
Closed #3476: modify "draw_nodes" to "shape_nodes"
Merge pull request #1349 from dingpinglv/Iss3476_LabelBMFontMultiLine

Closed #3476: The bug of cc.LabelBMFont has been fixed that multi-line is incorrect.