Merge branch 'dev' of https://github.com/BaiduFE/Tangram2 into plugin
Merge branch 'dev' of https://github.com/BaiduFE/Tangram2 into plugin
Merge branch 'dev' of https://github.com/BaiduFE/Tangram2 into plugin
Merge branch 'dev' of https://github.com/BaiduFE/Tangram2 into plugin
清除部分多余内容。
Merge pull request #535 from wangxiao/plugin

Plugin