Adding ability to set nas_secure_file_permissions and nas_secure_file_operations options

Change-Id: Iedfaa3057bc1e890016138ebdacc96afa7216f91
diff --git a/README.rst b/README.rst
index 7a19ad0..72f353d 100644
--- a/README.rst
+++ b/README.rst
@@ -20,6 +20,8 @@
         version: juno
         cinder_uid: 304
         cinder_gid: 304
+        nas_secure_file_permissions: false
+        nas_secure_file_operations: false
         default_volume_type: 7k2SaS
         availability_zone_fallback: True
         database:
@@ -65,6 +67,8 @@
         version: juno
         cinder_uid: 304
         cinder_gid: 304
+        nas_secure_file_permissions: false
+        nas_secure_file_operations: false
         default_volume_type: 7k2SaS
         database:
           engine: mysql