Merge pull request #76 from Jinqn/dev-1.3.0

Dev-1.3.0 添加index.html演示
Merge pull request #77 from Jinqn/dev-1.3.0

Dev1.3.5 demo引用语言包
修复背景不显示问题
Merge remote-tracking branch 'origin/dev-1.3.0' into dev-1.3.0
Merge pull request #78 from Jinqn/dev-1.3.0

Dev1.3.5修改grunt
contentchange触发机制用例补充
Merge remote-tracking branch 'origin/dev-1.3.0' into dev-1.3.0
Merge pull request #79 from Jinqn/dev-1.3.0

Dev1.3.5 修改demo
[fix]by Jinqn 修改grunt