Closes-Bug: #1578429 - SM Dependent paramiko package causes dependenc…

…y failures

The paramiko package installed in SM Postinst caused dependency failures
It was caused as upstream paramiko package changed to 2.0.0 version
Fixed by reverting to previously used 1.17.0 version

Change-Id: Id8a15e43e4a772396e7a7d84eb8f94bb6914e329

common/debian/contrail-server-manager/debian/postinst

@@ -15,7 +15,7 @@ rel=`lsb_release -r`
 
 # Stage I - Install required packages
 easy_install argparse
-easy_install paramiko
+easy_install paramiko==1.17.0
 easy_install pycrypto
 easy_install ordereddict
 easy_install pycurl