add podman remote client

podman client that is capable of:
 * images
 * ps
 * rm
 * rmi

this is only a mockup to frame out and prove python library and ssh
tunnelling usage.

Signed-off-by: baude <bbaude@redhat.com>

Closes: #986
Approved by: rhatdan

contrib/python/podman/libs/tunnel.py

@@ -98,7 +98,7 @@ class Tunnel(object):
         """Create SSH tunnel from given context."""
         cmd = [
             'ssh',
-            '-nNT',
+            '-nNTq',
             '-L',
             '{}:{}'.format(self.context.local_socket,
                            self.context.remote_socket),