Make license upgrade more prominent

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git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@276042 13f79535-47bb-0310-9956-ffa450edef68

WHATSNEW

@@ -4,6 +4,9 @@ Changes from Ant 1.6.0 to current cvs version
 Changes that could break older environments:
 --------------------------------------------
 
+* License is now Apache Software License 2.0
+  see http://www.apache.org/licenses/ for more information
+
 Fixed bugs:
 -----------
 * Remove a recursive template call in the junit xsls that could trigger a stack
@@ -45,8 +48,6 @@ Other changes:
 --------------
 * Shipped XML parser is now Xerces-J 2.6.1
 
-* License is now Apache Software License 2.0
-
 * Translate task logs a debug message specifying the number of files
   that it processed.  Bugzilla Report 13938.