Cron tasks
Add quality metrics to ActivityObjects (Excursions, Documents, etc.)
LOEP and ViSH LOEP libraries. First step.
True-false quizzes now validate in http://validator.imsglobal.org/qti/index.jsp?validate=cartridge
Merge branch 'master' of github.com:ging/vish
Title of assessments changed.
Quizzes titles error fixed. Now working
adjust for header and refresh calalogue
Merge branch 'master' of github.com:ging/vish into vish-b3