Merge pull request #537 from wangxiao/plugin

修改selectable测试用例
[Change] 修改版本号到2.0.2.0，并发布release文件
[TestCase] 几个老接口用例的标识
Merge pull request #538 from linlingyu/dev

[Change] 修改版本号到2.0.2.0，并发布release文件
Merge branch 'dev' of https://github.com/BaiduFE/Tangram2 into plugin
修正注释