Add pipe response for the metadata web-service.

Change-Id: I072525f6edfe3850f15da1326d7483eb45f93185
diff --git a/Changes b/Changes
index 71ce573..6b8d71c 100644
--- a/Changes
+++ b/Changes
@@ -1,6 +1,7 @@
 # version 1.1-SNAPSHOT
 - Change VC and query names to lowercase
 - Implemented pipe response rewriting for match info API (#814)
+- Add pipe response for the metadata web-service.
 
 # version 1.0.1