Animation is done by scrollBy instead of getMatrix().setTranslate(0, Y);
Merge branch 'Beta1.2' of https://github.com/lejoying/im into Beta1.2

Conflicts:
	微型公社/src/com/lejoying/wxgs/activity/mode/fragment/CirclesFragment.java
ready to do the task about friend moving.
the animation from circle to friend temp list is ready
resolver and set friend position complete
friend move out animation complete