Merge pull request #616 from ceph/wip-modern-paramiko

use modern paramiko

diff --cc setup.py
index 646ad2d322130392f14b6a449826cf2d030978be,fa383cd1d8e5ce45fb6ced800bc0d2f4f389b8cc..f8b79c6c560bfa684b48f6af6f54078af60ab1cb
--- 1/setup.py
--- 2/setup.py
+++ b/setup.py
@@@ -40,9 -40,9 +40,9 @@@ setup
                        'boto >= 2.0b4',
                        'bunch >= 1.0.0',
                        'configobj',
 -                      'six',
 +                      'six >= 1.9', # python-openstackclient won't work properly with less
                        'httplib2',
-                       'paramiko < 1.8',
+                       'paramiko >= 1.15.1',
                        'pexpect',
                        'requests >= 2.3.0',
                        'raven',