Work on tests - esp. for Django 3 compatibility

See merge request !159

Add test for common password and adapt expected text for wrong pw, since Django 3 seems to return Unicode. Also fix exptected URL in some test

Fix Markdown

See merge request !158

Fix test for not existing hash, defaulting to mm

See merge request !157

Show mail address of the user in the user prefs

See merge request !155

Update header.html

See merge request !154

Make sure we can handle mail as well in profile view

See merge request !153

Update to security page (hall of fame)

See merge request !152

Merge devel <-> master

See merge request !151

New design and cropping fixes/JCrop update

See merge request !149

Redesign frontend

See merge request !148

Update JCrop and make cropping less painful

See merge request !147

Allow staff to view other peoples profile

See merge request !146

Allow staff (is_staff) to view other peoples raw images as well as their profile, by appending the username to the profile url - for support reasons

Marge latest devel into master

See merge request !141

Switch to Fedora for building, since prod/stg are also on Fedora and we need newer SQLite to do testing

Redir to deadbeef if hash is wrong

See merge request !140