3 commits

Author	SHA1	Message	Date
Cheng Zhao	5b7c7be804	Decouple notification code from content module	2015-12-25 10:16:07 +08:00
Cheng Zhao	9897f3aab0	Add an abstract Notification class	2015-12-24 22:06:41 +08:00
Cheng Zhao	41084883cf	Refactor the notification code	2015-12-24 21:55:18 +08:00