Preparing release 2.4.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/io/trunk@1349352 13f79535-47bb-0310-9956-ffa450edef68

Author: garydgregory

src/changes/release-notes.vm

@@ -38,6 +38,7 @@ Apache Commons IO Version ${version}
 ## Hack to improve layout: replace all pairs of spaces with a single new-line
 $release.description.replaceAll("  ", "
 ")
+
 ##
 #if ($release.getActions().size() == 0)
 No changes defined in this version.
@@ -142,6 +143,11 @@ o#if($!issue != "") $issue: #else$indent#end ${action} #if($!dueto != "")Thanks
 ## End of main loop
 #end
 ##
+Compatibility with 2.3:
+Binary compatible: Yes.
+Source compatible: Yes.
+Semantic compatible: Yes.
+
 Compatibility with 2.2 and 1.4:
 Binary compatible: Yes.
 Source compatible: No, see the rare case in https://issues.apache.org/jira/browse/IO-318.