Added remote for Cobalt lasers. Needs testing.
cobalt: only launch Pyro service on run, not on include.
Erroneous call:  response() --> response .
Max power is given as a float, not an int.
Fixes to Cobalt laser class during testing.
Added cobalt.Server and sample conf file.
Renamed files to match name of Cobolt lasers, and moved to root.
Missed some 'cobalt' to 'cobolt' changes, yesterday.
cobolt.py: disable Cobolt autostart on connection.
No longer need cobolt.conf.
cobolt.py: added CLASS_NAME