Finish moving Job model from chem to cluster
Finish moving all job running stuff to cluster
Finish moving all job running stuff to cluster
Remove ability for paramkio to use keys from ~/.ssh or ssh-agent

This fixes many problems where chemtools would be able to login to
areas that would not normally be accessable. By default paramkio will
search in both ~/.ssh and the ssh-agent to be able to login to hosts.
Add connection test to cleaning of credentials