Merge pull request #4 from PittyXu/master

change: 数据库接口.
temp
Merge branch 'master' of https://github.com/ifay/BYOD.git
fix the keyboard in DeviceRegisterActivity
fix application exit
change ui of AuthenticateActivity
add bootreceiver and pollservice for peer device
changeLaunchIcon, add info_app, change appLoader
small fix of the comment in Manifest
info_app OK, TODO: sso ticket(low priority), policy check
Merge pull request #3 from ifay/master

ifay