Equeue is rewriten extending SocketServer.ThreadingUnixStreamServer (Thanks to Julien M.).
So far outputs of commands invoked by equeue are redirected to /dev/null to avoid locking the whole process.

equeue: Fix identation problem

Also fetch software type when fetching parameters from web.

It may avoid filling buffer and blocking i/o.

Maybe it was already existing before. In this case, we lost all our repo.

Conflicts:
	slapos/pubsub/notifier.py

Conflicts:
	slapos/agent/agent.py