Updated ntp to chrony

* updated Puppetfile
  * updated profiles::base to use chrony, and added class parameters

site/profile/manifests/base.pp

@@ -1,3 +1,8 @@
-class profile::base {
-  class { '::ntp': }
+# this is the base class, which will be used by all servers
+class profile::base (
+  Array  $ntp_servers,
+) {
+  class { 'chrony':
+    servers => $ntp_servers,
+  }
 }