Update notes for submitted changes

* [Fixed] a few loot item/group file names so that the file name matches the name of the template it adds [Added] console warnings during loading when a loot item/group filename doesn't match the name of the template it adds
* [Added] loot groups can now contain other loot groups [Added] unit test to check for infinite recursion in loot groups [Added] unit test to check if a loot item has the same name as a loot group