Use compact URIs for ForgeFed and ActivityStreams
It makes resulting documents (usually) shorter, and tests more readable.
Depends on !338 (closed) and !340 (closed)
Replaces !339 (closed).
Migrated from D8073 (view on Phabricator)
It makes resulting documents (usually) shorter, and tests more readable.
Depends on !338 (closed) and !340 (closed)
Replaces !339 (closed).
Migrated from D8073 (view on Phabricator)