Merge pull request #300 from schabrolles/critical_services_list

Create critical_services as documented by ansible for use with loop.

Author: christianh814

tasks/set_facts_.yaml

@@ -17,12 +17,12 @@
 
 - block:
   - set_fact:
-      critical_services: "{{ critical_services }} + [ 'dhcpd' ]"
+      critical_services: "{{ critical_services + [ 'dhcpd' ] }}"
   when: not staticips
 
 - block:
   - set_fact:
-      critical_services: "{{ critical_services }} + [ 'keepalived' ]"
+      critical_services: "{{ critical_services + [ 'keepalived' ] }}"
   when: high_availability is defined
 
 - block: