Creating BCEL 6.0 RC1 soon, so set release to today

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/bcel/trunk@1749056 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/src/changes/changes.xml b/src/changes/changes.xml
index 2a6590b..f42d1e4 100644
--- a/src/changes/changes.xml
+++ b/src/changes/changes.xml
@@ -62,7 +62,7 @@
    -->
 
   <body>
-    <release version="6.0" date="TBA" description="Major release with Java 7 and 8 support
+    <release version="6.0" date="2016-06-18" description="Major release with Java 7 and 8 support
     
 N.B. The Clirr report shows that there are several incompatible changes which in theory can affect
  projects that update to this version. However the changes are considered to be OK, because they