* Specify interfaces used by appservice, do half of clientapi
* convert more deps of clientapi to finer-grained interfaces
* Convert mediaapi and rest of clientapi
* Somehow this got missed
* Add account_type for sqlite3
* Add account_type for postgres
* Remove CreateGuestAccount from interface
* Add new AccountTypes & update test
* Use newly added AccountType for account creation
* Add migrations
* Reuse type
* Add AccounnType to Device, so it can be verified on requests
* Rename migration, add missing update for appservices
* Rename sqlite3 migration
* Add missing AccountType to return value
* Update sqlite migration
Change allowance check on /admin/whois
* Fix migration, add IS NULL
* Move accountType to completeRegistration
* Fix migrations
* Add passing test
