modify newlable default arg setting and label getcolor fund
Merge branch 'master' of ssh://oa.ejoy.com/ejoy2d
remove texture coord offset. TODO: NPOT texture coord is not correctly
texture 添加获取纹理大小、交换纹理等接口
unmount sprite when mount -- temply for a ugent bug
fix sin/cos table lookup out of range
fixed a blend problem.
Merge commit 'd0a1a9d038639d4cb1ba60b0956a8d1df2368e3d'
use the embed Lua include file. fixe Mac Xcode Project.