Add a section for the xserver.

playbooks/edx-east/feanil_deploy.yml

+---
 - hosts: tag_aws_cloudformation_stack-name_feanilpractice:&tag_group_edxapp
   sudo: True
   vars_files:
@@ -7,3 +8,12 @@
     - common
     - nginx
     - edxapp
+
+- hosts: tag_aws_cloudformation_stack-name_feanilpractice:&tag_group_xserver
+  sudo: True
+  vars_files:
+    - "{{ secure_dir }}/vars/edxapp_continuous_integration_vars.yml"
+    - "{{ secure_dir }}/vars/users.yml"
+  roles:
+    - common
+    - xserver