Add gds-api-adapters
Add Transition::Import::WhitehallOrgs

Hashes Whitehall orgs by title
Consult Whitehall for organisation language/slug

Note: still currently keyed on redirector title.
Update gds-api-adapters to 7.14.0

Removes the obligation to require 'forwardable' ourselves
Make sure OrgsSitesHosts updates happen as well as inserts
Change "in conjunction with" to the correct Whitehall text
Cope with 'Other' whitehall_type
Merge pull request #50 from alphagov/org-parent-language

Make org parent language consistent with Whitehall