SSH improvements for Ansible

Adds the juju private key for ansible in case no passwords are
being used.
Adds a shortened control path in case the model name is too
long.

Change-Id: I0a5027fdaa8e20641d1a3a0841b1ba3554f825fb
Signed-off-by: beierl <mbeierl@vmware.com>
1 file changed