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.py b/netconf/nc_rpc/rpc.py
index bafc58e..3f1eff4 100644
--- a/netconf/nc_rpc/rpc.py
+++ b/netconf/nc_rpc/rpc.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
 #
@@ -24,8 +24,9 @@
 
 
 class Rpc(object):
-    def __init__(self, request, grpc_client, session):
-        self.request = request
+    def __init__(self, request_dict, request_xml, grpc_client, session):
+        self.request = request_dict
+        self.request_xml = request_xml
         self.rpc_response = RpcResponse()
         self.grpc_client =  grpc_client
         self.session = session