Merge pull request #96 from detiber/removeNodeWorkaround

Provide default value for openshift_node_ips.

roles/openshift_master/defaults/main.yml

@@ -1,3 +1,4 @@
 ---
 openshift_master_manage_service_externally: false
 openshift_master_debug_level: "{{ openshift_debug_level | default(0) }}"
+openshift_node_ips: []