gkeys: Simplify seed file configs and url handling
gkeys/actions.py: Add missing file option

installkey did not work as it was expecting a possible filename arg.
gkeys: Add refreshkey action and support code
gkeys/cli.py: Add an end of block print() for data separation
gkeys/cli.py: Split out a common CliBase class and base.py
gkeyldap: Migrate to use the new gkeys CliBase class

Add options from gkey-ldap.
gkeys/actions.py: Fix verify() traceback due to args.filename being a list

Create _option_1file() for single filename acceptance
The signature option takes only one sig.
gkeys/actions.py: Fix error due to sig_path not beining assigned
gkeys.base.py: Fix a unicode handling error in print_results()