Make the null compression use the "none" identifier instead of None
This is friendlier to configuration files
Depends on !56 (closed) Depends on !57 (closed)
Test Plan
tox
Migrated from D2051 (view on Phabricator)
This is friendlier to configuration files
Depends on !56 (closed) Depends on !57 (closed)
tox
Migrated from D2051 (view on Phabricator)