Revert "paramiko no longer needed when working with centos >= 7"
Revert "paramiko no longer needed when working with centos >= 7"

This reverts commit 9b8add77b116d04f6e5660e97b042bc620e0416b.

baszoetekouw/OpenConext-deploy,OpenConext/OpenConext-deploy,OpenConext/OpenConext-deploy,OpenConext/OpenConext-deploy,baszoetekouw/OpenConext-deploy,OpenConext/OpenConext-deploy,OpenConext/OpenConext-deploy,baszoetekouw/OpenConext-deploy,baszoetekouw/OpenConext-deploy,baszoetekouw/OpenConext-deploy