devilry_gradingsystem: i18n fix.
devilry_developer...corebuilder: Some extra utils for the demodb.
devilry_developer...devilry_developer_demodb: DemoDB management command.
devilry_subjectadmin...CreateNewAssignment: Set publishing_time to now by default.

The current algorighm does not work.
devilry_developer: Usable demo db.
devilry_subjectadmin: Built JS.
Fixed some translations.
Merge branch 'master' into new-student