LSNBLDR-429; don't use the word Sakai


git-svn-id: https://source.sakaiproject.org/svn/lessonbuilder/trunk@313745 66ffb92e-73f9-0310-93c1-f5514f145a0a
LSNBLDR-428; typoes in messages


git-svn-id: https://source.sakaiproject.org/svn/lessonbuilder/trunk@313746 66ffb92e-73f9-0310-93c1-f5514f145a0a