Changing the image requirements to use separate _ for each part, for easier localization.
Include correct javascript file for chinese localization
Updated Swedish language

Latest translation also with some uncommented strings.
Merge pull request #214 from Inkbug/fileTypeFix

Changing the school editing pages for easier localization.
Merge pull request #216 from interaktiv/master

Swedish translation
Fix link for creating a course from a school page
Fix course link used for twitter button
Swedish update

Minimal update
Merge pull request #217 from interaktiv/master

Swedish translation
Merge branch 'master' of github.com:p2pu/lernanta
Revised method for unsubscribing from notifications
Use correct source names for notification from courses
Update notification preference model to use fixed list of categories
Use notification categories for notifications sent via the API
Add temporary category for notifications sent from badges.p2pu.org
Filter notification recipients according to preferences
Moved abuse reporting out of drumbeat app. Partly to avoid a circular dependancy, but mostly because it doesn't belong there
Fix notification tests
Use correct category for old course wall posts
Command for migrating old preferences to the new format