Update CHANGES.txt

git-svn-id: https://svn.apache.org/repos/asf/manifoldcf/integration/solr-4.x/trunk@1583851 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/CHANGES.txt b/CHANGES.txt
index 4e7bbe6..96e19ea 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,7 +1,10 @@
 Apache ManifoldCF Plugin for Apache Solr 4.x change Log
 $Id$
 
-======================= 2.1-dev =====================
+======================= 2.1-SNAPSHOT =====================
+
+CONNECTORS-914: Go to a Maven build system.
+(Ahmet Arslan)
 
 ======================= Release 2.0 =====================