LSNBLDR-310; fix add student content message


git-svn-id: https://source.sakaiproject.org/svn/lessonbuilder/trunk@131439 66ffb92e-73f9-0310-93c1-f5514f145a0a
LSLBLDR-312; update instructions for Sakai 10


git-svn-id: https://source.sakaiproject.org/svn/lessonbuilder/trunk@131440 66ffb92e-73f9-0310-93c1-f5514f145a0a
LSNBLDR-310; fix Add student content link title


git-svn-id: https://source.sakaiproject.org/svn/lessonbuilder/trunk@131441 66ffb92e-73f9-0310-93c1-f5514f145a0a