Now, a course can be exported to JSON (without images)
Save course.json and media files with paths relatives to media_root in a tgz bundle
Create import_units commands, to import unit from one tar.gz
Implemented import_units, and fix typo in export_course
Add conversion factor in option position translation to changes in views from player
Command to create a csv per course with firtname, lastname, email, with all csv files per course in one ZIP
Fix utf8 problems
Use the as_bootstrap rendering method in the massive email form
make translate options during unit import optional
Include the translation option positions way
Merge branch 'course-export'
Undo 0d032b2b remove course name from classroom and progress due to lack of styles
Include license and copyright in course-export scripts
Change spanish translation of feedback messages
Render the contact form using the as_bootstrap method
Fix flag -t behaviour in import_units command
Convert options positions between with and without teacheradmin
Use native HTML5 date support for date widgets
Bugfix in question interface in teacheradmin
Make most datetime fields non editable and auto_now_add=True