Fix registration message validation

Closes #231

See merge request !421

Prevent non-organiser from editing or viewing event data

Closes #362

See merge request !418

Add name and email to edit profile page with explanation

Closes #360

See merge request !420

Validate uploaded album archives with libmagic

See merge request !406

Fix edit photo link in admin

Closes #356

See merge request !417

Fix search_fields in education app

Closes #359

See merge request !416

Add filter for member event permissions in admin

Closes #362

See merge request !415

Fix production settings application

Closes #361

See merge request !414

Make sure event feed registered indication is correct

See merge request !413

Preserve event information field ordering by setting the initial order value in the form

See merge request !388

Preserve newsletter content ordering by setting the initial order value in the form

Closes #179

See merge request !387

Migrate Dockerfile to Debian

See merge request !407

Resolve "Exporteer ledenlijst met snummers"

Closes #169

See merge request !410

Make sure events registration uses POST and is done when 'register' is pressed

Closes #340 and #346

See merge request !411

Enable session and basic authentication for rest framework

See merge request !412

Also fixed translations for the addresses CSV.

Changes board page to show older boards below

Closes #307

See merge request !375

Fix regexes of urls in documents app

See merge request !408

The $ is important to note that it is a terminal

Make sure username is present in form submit

See merge request !403