Add param to onClientMessageReceived event.
Fix bug in exit ShareActivity.
Remove ServiceManager interface. Fix bug in cancelling
CreateShareCircle.
Add FileReceiver and FileSender classes.
Merge remote-tracking branch 'origin/master' into riversyang

Conflicts:
	src/com/chainton/shareservice/app/ShareCircleServerImpl.java
Fill FileReceiver and FileSender logic in related classes.
Merge remote-tracking branch 'origin/master' into riversyang

Conflicts:
	src/com/chainton/dankeshare/data/enums/AppShareCircleServerMessageType.java
	src/com/chainton/shareservice/app/MainActivity.java
Complete file transfer function.