SAK-23912 - updated LTI default setting comments on 3 of 4 properties. One I did not add is basiclti.lori.enabled, because it is not in the file and it seems like explaining the purpose of the property would be a good idea (which I don't know).

git-svn-id: https://source.sakaiproject.org/svn/config/trunk@133431 66ffb92e-73f9-0310-93c1-f5514f145a0a