new variable: pam_enabled: True
new variable: pam_enabled: True

 - this is needed to template in system-auth and passsword-auth
 - we need to add "nis" to some lines in this file to make password
   change work for the users on the login node

A1ve5/fgci-ansible,mantti/fgci-tut,CSC-IT-Center-for-Science/fgci-ansible,mantti/fgci-tut,mantti/fgci-tut