1. monitor running apps has been changed to use window state changed event (battery friendly)
2. kill persistent notifications can be enabled independly.
3. Pin/ettings/Clear buttons are hidden when user didn't click the icon. (don't look good yet)

git-svn-id: http://notifications-widget.googlecode.com/svn/trunk@156 21922344-3934-ee51-d6e3-fd981ce84c01