Move cord-tester voltha rest interface to use envoy.
Plus other misc. changes

Change-Id: I03c40841ef07d9c0523799dc2efbd7e0caa1e536
diff --git a/src/test/tls/tlsTest.json b/src/test/tls/tlsTest.json
index ef966f8..ddc442b 100644
--- a/src/test/tls/tlsTest.json
+++ b/src/test/tls/tlsTest.json
@@ -2,5 +2,5 @@
     "VOLTHA_OLT_MAC": "00:0c:e2:31:12:00", 
     "VOLTHA_HOST": "172.17.0.1", 
     "VOLTHA_OLT_TYPE": "ponsim_olt", 
-    "VOLTHA_REST_PORT": 8881
-}
\ No newline at end of file
+    "VOLTHA_REST_PORT": 8882
+}