Allow command and connection retry configuration
Allow command and connection retry configuration

When kazoo needs to retry commands or retry connections
there is a specific set of configuration that can be provided
to adjust these; allow that configuration to be passed to the
client configuration method.

Change-Id: I9c57e81ae3f82c7358ddabc7804a28fee7734c93

pombredanne/taskflow-1,pombredanne/taskflow-1,openstack/taskflow,junneyang/taskflow,jimbobhickville/taskflow,junneyang/taskflow,jimbobhickville/taskflow,openstack/taskflow