A rather small reviewbot just made for one thing: check maintenance
release requests. They are much easier to handle: they are only created
on locked projects, so there is no waiting required. Just checking
and if it's broken, the request can be declined.
Extract the writing of the susetags content into a new script that
also creates a yaml file which package comes from what directory.
This information is used in repochecks.py to run findfileconflicts
and installcheck as repo_checker.pl used to