-list-signed shows a list of certs the certmaster has already signed

--list-cert-hashes returns the list of signed certs in the CN-hash format that
the acls files expects. Should make it a little easier to use the acls.

Both options take optional hostnames or hostname globs

Steves comments:
Adding in triggering functionality, changed specfile and
MANIFEST.in to reflect changes.  Added sub_process.py file to
facilitate the subprocesses necessary for triggering to work.
Modified certmaster.py to add trigger points.

Steves comments:
Adding in triggering functionality, changed specfile and
MANIFEST.in to reflect changes.  Added sub_process.py file to
facilitate the subprocesses necessary for triggering to work.
Modified certmaster.py to add trigger points.

created, but not signed.

Also, add some debug logging.

- use unique name for the certmaster logs
- some not quite working code for passing down client info so we can log

update spec and setup accordingly