Remove remains of django-sesame

See merge request !246

Fix links in registration and confirmation emails

See merge request !255

GREG-160: Error temporarily showing

See merge request !252

Add consent info to guest frontpage

See merge request !251

Add fallback to OU names in frontend

See merge request !250

Make role info page match sketch

See merge request !249

Allow changing past start dates of roles in webui

See merge request !248

Resolves: GREG-177

Resolves: GREG-173

Add oidc info to README

See merge request !247

Not all OUs have names in all languages in OrgReg. We now fallback to
english if norwegian names are missing and vice versa.

Resolves: GREG-178

Roles that have started could not be given start dates in the past in
the frontend. After this fix they now can.

Update heading text on landing page

See merge request !245

Making it clearer that more than the phone number may need to be filled in

See merge request !244

Updating text on search page

See merge request !243

GREG-165: Handling case where guest uses ID porten for login

See merge request !242

Link login was replaced by our own implementation some time ago, making
sesame pointless.

GREG-165: Part 1 : Handle missing information from Feide

See merge request !239

Add admin command for importing guest data from file

See merge request !241