LSNBLDR-203; bad url can break page


git-svn-id: https://source.sakaiproject.org/svn/lessonbuilder/branches/lessonbuilder-1.4.x@120496 66ffb92e-73f9-0310-93c1-f5514f145a0a
LSNBLDR-203: get quoting right for path


git-svn-id: https://source.sakaiproject.org/svn/lessonbuilder/branches/lessonbuilder-1.4.x@120499 66ffb92e-73f9-0310-93c1-f5514f145a0a