SAK-25533

Add a new field: 

ext_sakai_section=SMPL101 Spring 2014+Discussion 1 SMPL101 Spring 2014 

That captures the sections a user is enrolled in. If there is more than one 
roster that leads to membership, they all are sent.



git-svn-id: https://source.sakaiproject.org/svn/basiclti/trunk@134097 66ffb92e-73f9-0310-93c1-f5514f145a0a