[fix] by Jinqn grunt转编码问题已修复
[fix] by Jinqn 修复背景颜色的bug
[fix] by Jinqn修改用例
[fix] by Jinqn修改文档
[fix] by Jinqn添加video用例
Merge pull request #102 from Jinqn/dev-1.3.6

Dev 1.3.6 修改背景颜色的bug