Merge pull request #1 from PittyXu/master

通讯录
Merge pull request #2 from PittyXu/master

change: 修改通讯录等为应用内应用.
Merge pull request #3 from PittyXu/master

change: 删掉部分无用代码和功能，修改界面
add welcomeCheck page,device register page. TOFIX: custom keyboard
Merge pull request #2 from ifay/master

change: add welcomeCheck page,device register page. TOFIX: custom keyboard