fix concat issue in window
开启3d，增强流畅性
修改dom attributes读取，不依赖klass.options
Merge pull request #133 from jianling/dev-refactor

Dev refactor
Merge pull request #137 from jianling/dev-refactor

Dev refactor
替换doc生成工具
Merge pull request #138 from liaoxuezhi/dev-refactor

Dev refactor
调整doc注释
Merge pull request #139 from liaoxuezhi/dev-refactor

调整doc注释
Merge branch 'dev-refactor' of https://github.com/gmuteam/GMU into dev-refactor
update demo,update tasks