Add hidefromcourselist for enabling students to hide courses
Add timedate macro lib
Change score storage to include rawscore and firstscore
some improvements for accounting
Add availability setting to mass change dates
Bug fix raw score display issues
Add inventory scoring, acct
remove default checking on select from assessments
Bug fix "Always" displaying as "Never" for assessment date
Bug fix answeights being calculated incorrectly
Add list/update extref scripts to utils
don't update assessment endtime when in review mode
Bug fix older IE issue with general.js
Merge branch 'master' of https://github.com/drlippman/IMathAS