finish part of UI effect
Finish part of UI

add UI to Menu, Navi bar, and Tabbar
finish UI of lifestyle, events, surprise

problem:scale of imageview in surprise
完成登录界面的ui
修正auto layout 错误
修改surprise界面message label的高度
made some minor changes
Merge branch 'UI' of https://github.com/nyus2014/CIU into UI
minor changes to label positions
commit before merging origin/UI
merged origin/UI into develop