* p/ticket/10758:
[ticket/10758] Add return to the other compat function.
[ticket/10758] Add periods.
[ticket/10758] Yes, only one empty line.
[ticket/10758] Add deprecated tags.
[ticket/10758] Add compat functions.
[ticket/10758] Admin is not working yet.
[ticket/10758] Test moderator and admin permissions.
[ticket/10758] Check that acl was changed in the test.
[ticket/10758] Extract obtain_user_data for the benefit of tests.
[ticket/10758] Functional test for changing a user's permission.
[ticket/10758] Spelling fix.
[ticket/10758] Add a test for acp login.
[ticket/10758] Dependency inject parameters into update_foes.
[ticket/10758] Dependency inject parameters into cache_moderators.