add period (#121)

Author: mikaEz

roles/ansible_icinga/README.md

@@ -181,6 +181,7 @@ t_systems_mms.icinga_director >= 1.2.2
 | apply_to                   | no       |
 | assign_filter              | no       |
 | imports                    | no       |
+| period                     | no       |
 
 ## Example Playbook
 

roles/ansible_icinga/tasks/icinga_notification.yml

@@ -20,6 +20,7 @@
     apply_to: "{{ notification.0.apply_to | default(omit) }}"
     assign_filter: "{{ notification.0.assign_filter | default(omit) }}"
     imports: "{{ notification.0.imports | default(omit) }}"
+    period: "{{ notification.0.period | default(omit) }}"
   loop: "{{ icinga_notifications|subelements('notification_object') }}"
   loop_control:
     loop_var: notification