Greg 98 styling fixes

See merge request !176

Move the height/width settings to the logo component

Updated header and footer

See merge request !174

Greg 116 non oidc sessions

See merge request !172

Move guestInfo to hook and reload if posting role

See merge request !162

No need for two config variables. Use the appInst config to get the
correct theme.

Rename ou endpoint and attribute on sponsor

See merge request !171

Does the same as before with less and more readable code.

Any user that does not have a GregUserProfile must be a superuser so
this is not a problem per se, but it should be handled. For now we
simply treat them as an anonymous user and deny access.

Resolves: GREG-116

Fixing test where checks did not work

See merge request !169

- OU endpoints changed from orgunit/ to orgunits/.
- OU attribute on objects from sponsor endpoint changed from units to
  orgunits.

Resolves: GREG-124

GREG-113 guest date of birth

See merge request !166

GREG-109 Theme updates

See merge request !163

Removing unused form component

See merge request !167

Sponsor email and feide-email on persons

See merge request !168