Merge branch 'dev' of https://github.com/BaiduFE/Tangram2 into plugin
修正注释
Merge branch 'dev' of https://github.com/BaiduFE/Tangram2 into plugin
补充用例

1、检查多实例是否会清除rubberSelect；
2、检查disable后，cancel和reset不会改变sortable的排序；
Merge pull request #542 from wangxiao/plugin

修正注释