Add port_forwarding modules

This adds the ability to manage floating IP port forwarding resources.

Change-Id: Ifd7cb30faf0efbd043474d2d6c23b87a55ee73de
Signed-off-by: Austin Jamias <ajamias@redhat.com>

ci/roles/port_forwarding/defaults/main.yml

@@ -0,0 +1,10 @@
+expected_fields:
+  - description
+  - external_port
+  - floatingip_id
+  - id
+  - internal_ip_address
+  - internal_port
+  - internal_port_id
+  - name
+  - protocol