added ccnet message listener
improve daemon manager
Merge branch 'poet'

Conflicts:
	src/daemon-mgr.cpp
	src/daemon-mgr.h
	src/seafile-applet.cpp
	src/seafile-applet.h
finish tray icon & daemon management
use pkg-config for libseafile
invoke local rpc asynchronously
Add images for trayicon
Fix some bugs for compile in MacOS