bugfix: support ":" delimiter too.

git-svn-id: http://notifications-widget.googlecode.com/svn/trunk@406 21922344-3934-ee51-d6e3-fd981ce84c01
bugfix: crash on PopupNotification

git-svn-id: http://notifications-widget.googlecode.com/svn/trunk@407 21922344-3934-ee51-d6e3-fd981ce84c01
bugfix: fixed a crash when getVibrantColor doesn't work well

git-svn-id: http://notifications-widget.googlecode.com/svn/trunk@408 21922344-3934-ee51-d6e3-fd981ce84c01