Prepare release

Change-Id: I61d6f0f1378aa4e3955975b4b37fc39a758de909
diff --git a/Changes b/Changes
index 11091fa..af767f1 100644
--- a/Changes
+++ b/Changes
@@ -1,4 +1,4 @@
-0.53 2015-08-14
+0.53 2015-09-25
         - [feature] Implemented new KrillCollection (diewald)
 	  This should fix a lot of issues with deleted
 	  documents and negation in virtual collections.
@@ -9,6 +9,7 @@
         - [bugfix] Fixed collection statistics (diewald)
 	- [feature] Improved packaging (diewald)
 	- [feature] Introduced cmd options for server (diewald)
+    	- [feature] Return meta data on server-based indexation (diewald)
 
 0.52 2015-07-08
         - [bugfix] Fixed payload filtering in FocusSpans (margaretha)