onselectstarts
polygon bug fixed
性能优化 & 部分排版格式调整
Merge pull request #64 from chriswong/dev-2.0.0

性能优化 & 部分排版格式调整
cool~
隐患fix
鼠标坐标变换提取
jshint
clear隐患
Merge pull request #1 from ecomfe/dev-2.0.0

Dev 2.0.0