SAK-27962

Commit for Matthew.



git-svn-id: https://source.sakaiproject.org/svn/basiclti/trunk@315750 66ffb92e-73f9-0310-93c1-f5514f145a0a
SAK-25662

Fix the NPE in LTI2Service.java



git-svn-id: https://source.sakaiproject.org/svn/basiclti/trunk@315751 66ffb92e-73f9-0310-93c1-f5514f145a0a