updated spanish translation.
support nils+ time on notifications.

git-svn-id: http://notifications-widget.googlecode.com/svn/trunk@190 21922344-3934-ee51-d6e3-fd981ce84c01
improved support nils+ time on notifications.

git-svn-id: http://notifications-widget.googlecode.com/svn/trunk@191 21922344-3934-ee51-d6e3-fd981ce84c01