weibo ios client in 20140225

weibo ios client in 20140225
Add change theme function,but  not compete.
Merge branch 'master' of https://github.com/jonechina/weibo-ios-client-in-20140223

Conflicts:

Joneweibo.xcodeproj/project.xcworkspace/xcuserdata/joqiang.xcuserdatad/U
serInterfaceState.xcuserstate