chatting roomt
change UI and fix bug that brianhsu found yesterday afternoon
change application name
change icon and is plaining to add Login & Splash activities
change icon and change friend fragment to MeFriendFollowingFragment
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set LinearLayout vertical
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add getFollowing
ChatRoomsFragment_v2
and
ChatRoomExpandableListAdapter_v2

replace AsyncTask with AsyncTaskLoader
backup, modified ChattingRoomFragment
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