SAK-26047 - Provide defaults for page/button title if you allow the user to change


git-svn-id: https://source.sakaiproject.org/svn/basiclti/trunk@307823 66ffb92e-73f9-0310-93c1-f5514f145a0a
SAK-26046 - In BasticLTI selecting edit and choosing a tool then choosing back to select one causes an NFE


git-svn-id: https://source.sakaiproject.org/svn/basiclti/trunk@307825 66ffb92e-73f9-0310-93c1-f5514f145a0a