refactoring
added courses in admin panel, enable change of ownership
added customisable tabs for training
code mirror, annotation, full screen works for multiple instances in one page
annotation, active comment box by clicking
using answer id for annotation
auto grading for mission, creation front side
mission code evaluation working, no sandbox, UI needs improvement
Merge branch 'development' of github.com:Coursemology/coursemology.org into Deploy
precompiled assets