base: setuptools inveniomange command

* Adds setuptools command for running inveniomanage.

Signed-off-by: Lars Holm Nielsen <lars.holm.nielsen@cern.ch>
oauth2server/webhooks: WIP
pidstore: import fix

* Fixes wrong import.

Signed-off-by: Lars Holm Nielsen <lars.holm.nielsen@cern.ch>
installation: setuptools alias commands

* Adds setuptools alias commands for easy creation of tar-balls for
  deployment distribution.