Better logging

Signed-off-by: Zack Cerza <zack.cerza@inktank.com>
Fix typo

Signed-off-by: Zack Cerza <zack.cerza@inktank.com>
Add retries to orchestra.connection.connect()

This is an attempt to fix: http://tracker.ceph.com/issues/8314

Signed-off-by: Zack Cerza <zack.cerza@inktank.com>