为维护人员页面增加筛选功能
Notification: Better Animation

when a new notification pushed, the "newest-nc" will not closed in a too
short duration.
MaintenanceStaff: Auto Refresh
Notification: Add Error Ncs

Better debugging...?
fixed grade==-1 user can't update problem
Fix: Administrator Push wrong ncs
fixed ActionLog attribute application
Merge pull request #28 from Zjazure/m3-dev

fix logging