Fixed issue in 'last_puppet_run'.

manifests/init.pp

@@ -34,7 +34,7 @@ class aes {
   # File to easily see when Puppet was last executed.
   # Ideally, we would like to know if it is devel or production as well.
   exec { 'touch /var/last_puppet_run' : 
-    cwd => "${opendsa_home}",
+    cwd => "/var",
     creates => "/var/last_puppet_run",
     user => root,
     group => root,