Arranged Packages

1) Arranged codes
2) Copy text in SingleWeibo
3) GlobalContext
4) Error bugs fixed
Update Signed Apk
Constants Improve

1) Moved constants to GlobalContext
2) Friends timeline not update bug fixed
New Http Module

1) Removed Apache's http utility, speed uuuuuuuppppp!
2) Pink icon
3) Animation of ImageView in SingleWeibo