Updated version and the changes file.

Change-Id: Ia3434464ab45d77cc4c8c08bb556c1e2afd596d0
diff --git a/Changes b/Changes
index bbb4601..b913824 100644
--- a/Changes
+++ b/Changes
@@ -1,4 +1,4 @@
-# version 0.72.1-SNAPSHOT
+# version 0.73
 
 - Moved the content of the full folder to the root folder
 - Removed Piwik
@@ -6,6 +6,8 @@
 - Cleaned up spring configs
 - Updated Krill and Koral with new groupIds
 - Updated Github workflow
+- Updated search Krill and removed Lucene
+- Updated readme
 
 # version 0.72