Add fields to courses model
Add fiels to user profile model
Modified admin and course creation interface
Questions layout in Classroom template
Merge branch 'dev_alberto' into dev_raul
Added new design to nugget tasks
Management URLS at course
Fix for login bug
Merge branch 'dev_alberto' into dev_raul
Syllabus backend working
Course filter for KQ in API
Merge branch 'dev_alberto' into dev_raul
Mark working
Tasks nuggets, widget and progress done
Merge branch 'dev_raul' of https://github.com/GeographicaGS/moocng into dev_alberto