gathering facts for the deploy plays

playbooks/edx-east/deploy_edxapp.yml

 - name: Deploy edxapp
   hosts: all
   sudo: True
-  gather_facts: False
+  gather_facts: True
   roles:
     - edxapp

playbooks/edx-east/deploy_forum.yml

 - name: Deploy forum
   hosts: all
   sudo: True
-  gather_facts: False
+  gather_facts: True
   roles:
     - forum

playbooks/edx-east/deploy_ora.yml

 - name: Deploy ora
   hosts: all
   sudo: True
-  gather_facts: False
+  gather_facts: True
   roles:
     - ora

playbooks/edx-east/deploy_xqueue.yml

 - name: Deploy xqueue
   hosts: all
   sudo: True
-  gather_facts: False
+  gather_facts: True
   roles:
     - xqueue

playbooks/edx-east/deploy_xserver.yml

 - name: Deploy xserver
   hosts: all
   sudo: True
-  gather_facts: False
+  gather_facts: True
   roles:
     - xserver