Implemented refreshing OAuth2 access token

Change-Id: I559ba31a96965d5fc2594935f179b7b3f1f2d66a
diff --git a/full/Changes b/full/Changes
index 1715ded..d23bcc5 100644
--- a/full/Changes
+++ b/full/Changes
@@ -11,6 +11,7 @@
 	- Fixed authentication time in authentication controller (margaretha)
 	- Added OAuth2 access token tests (margaretha)
 	- Updated maven surefire setting for faster test suite runtime (margaretha)
+	- Implemented refreshing OAuth2 access token (margaretha)
 	
 version 0.60.4
 05/07/2018