Add ability to configure protocol for

- heat_metadata_server_url
- heat_waitcondition_server_url
- heat_watch_server_url

Change-Id: Ibe1baed281c1458a6ab85514163b44ca0c3d0c87
diff --git a/README.rst b/README.rst
index ac06056..ff7a112 100644
--- a/README.rst
+++ b/README.rst
@@ -27,12 +27,15 @@
           metadata:
             address: 10.0.106.10
             port: 8000
+            protocol: http
           waitcondition:
             address: 10.0.106.10
             port: 8000
+            protocol: http
           watch:
             address: 10.0.106.10
             port: 8003
+            protocol: http
         cloudwatch:
           host: 10.0.106.20
         api: