Updated OAuth2 refresh token request to create a new refresh token.

Change-Id: Ia08d037193c796d549a4434c3ac5bdf66f362cd8
diff --git a/full/Changes b/full/Changes
index 647f863..b8d1645 100644
--- a/full/Changes
+++ b/full/Changes
@@ -1,6 +1,9 @@
 # version 0.61.4
 14/11/2018
    - Integrated lite and full services and controllers in core (margaretha)
+21/11/2018
+   - Updated OAuth2 refresh token request to create a new refresh token and 
+     revoke the old one per request (margaretha)   
    
 # version 0.61.3
 17/10/2018