fix(charity): add anchor to expert pool

See https://trello.com/c/eQwEC37Qx
feat(charity): improve download list layout

See https://trello.com/c/J1vVbk6k
Merge branch 'live'
feat(login): make forwarding of loginlink possible

If it contains a hashbang it will be broken by some email clients.

See https://trello.com/c/XpIRdn4O
fix(cache): last-modified-date is always present
fix(login): email change is now possible

See https://trello.com/c/3pr0Swch
feat(charity): reorder meta menu links
test(registry): fix test for registrar list
refactor(api): renamed traits
refactor(crud): extracted pagination
feat(charity): add domain collaborator

See https://trello.com/c/SMQeZq61
refactor(CRUD): separate different operations

Add request model like in regular controller
feat(CRUD): implement delete
feat(domain-collaborator): add frontend
feat(domain-collaborator): add migration
feat(domain-collaborator): add listener
feat(domain-collaborator): turned into a switchable feature
Merge branch 'domain-collaborator'
fix(various): fix dothiv claim
fix(contentful): fall back to request locale