add sudos to creation of the exports file

roles/syncExports/tasks/addExports.yml

@@ -4,8 +4,10 @@
   template: src=exports.j2 dest=/etc/exports owner=root group=root mode=644
   delegate_to: "{{ nfs_server }}"
   run_once: true
+  sudo: true
 -
   name : Restart the NFS Server
   service: name=nfs state=restarted
   delegate_to: "{{ nfs_server }}"
   run_once: true
+  sudo: true