This commit consists of:
1) Ability for the netconf client to retrieve schemas metadata from
   the netconf server
2) Ability for the netconf server to retrieve specific yang schema from
   the netconf server
3) Netconf says Happy New Year 2017

Change-Id: I6552224707607ca6cc1397f2fbf193503bb116a3
diff --git a/netconf/nc_rpc/rpc_response.py b/netconf/nc_rpc/rpc_response.py
index 584e35b..150631b 100644
--- a/netconf/nc_rpc/rpc_response.py
+++ b/netconf/nc_rpc/rpc_response.py
@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 #
-# Copyright 2016 the original author or authors.
+# Copyright 2017 the original author or authors.
 #
 # Code adapted from https://github.com/choppsv1/netconf
 #
@@ -36,7 +36,7 @@
             return
         voltha_xml_string = etree.tostring(voltha_response)
 
-        # Remove the leading and trailing <root> tags
+        # Remove the leading and trailing <yang> tags
         if voltha_xml_string.startswith('<yang>'):
             voltha_xml_string = voltha_xml_string[len('<yang>'):]
             if voltha_xml_string.endswith('</yang>'):
@@ -48,7 +48,9 @@
                 '<data>',
                 '<',
                 request['class'],
-                ' xmlns="urn:opencord:params:xml:ns:voltha:ietf-voltha">',
+                ' xmlns="',
+                request['namespace'],
+                '">',
                 '<',
                 request['subclass'],
                 '>',