fixed bug with nils+ resubmit all notifications.

git-svn-id: http://notifications-widget.googlecode.com/svn/trunk@192 21922344-3934-ee51-d6e3-fd981ce84c01
fixed a crash when unlocking device and the service is not running

git-svn-id: http://notifications-widget.googlecode.com/svn/trunk@193 21922344-3934-ee51-d6e3-fd981ce84c01