Add support for forward/reverse DNS range split

- Allow for explicit reverse RFC1918 lookups with unbound_reverse_zones
- Add tests, similar to NSD ones
- Wait for network to be online before starting (fixes AETHER-1041)
- Multiplatform support

Change-Id: I385aec6f766b45a9db595d2f8af5ed8fe0dde2ca
diff --git a/tasks/main.yml b/tasks/main.yml
index f88267f..2a21a0f 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -27,6 +27,7 @@
     name: "{{ unbound_service }}"
     enabled: true
     state: started
+    arguments: "{{ unbound_arguments | default(omit) }}"
 
 - name: Flush handlers as listen addresses can conflict with nsd
   meta: flush_handlers