1. Fixed widget stuck when no default clock found.
2. Added an ability to sort by acceding time.

git-svn-id: http://notifications-widget.googlecode.com/svn/trunk@146 21922344-3934-ee51-d6e3-fd981ce84c01
- Added new feature - clear notifications from the same together

git-svn-id: http://notifications-widget.googlecode.com/svn/trunk@147 21922344-3934-ee51-d6e3-fd981ce84c01