Merge branch 'dev' of https://github.com/BaiduFE/Tangram2 into dev
Merge branch 'dev' of https://github.com/BaiduFE/Tangram2 into dev
Merge branch 'dev' of https://github.com/BaiduFE/Tangram2 into dev
修改 ajax.js，无法传递值为0的数据
增加baidu.post 测试用例
Merge pull request #543 from zhanghongyan/dev

Dev