add / modify templates

roles/nagios_server/templates/contactgroup_nagios2.cfg.j2

+define contactgroup {
+        contactgroup_name       admins                                                   ; Group name used in configuration
+        alias                   Administrators                                          ; Alias for group displayed on webpage
+        members                 admins      
+;       contactgroup_members                                                                    ; Other contact groups to be notified
+        }
+
+
+