LDEV-2140 Made it so that tool activities outputs are retrieved once on single click the first time they are clicked, instead of when they are dropped from the toolkit. Also got it working so that when you open an existing design with outputs, it selects the correct one in the gradebook output combo box.
LDEV-2169 Monitoring* "next activity" action modified* refresh summary page only if teacher indeed made some modifications* export in xls files* changed the design of summary page* applicationResources cleaned up