Preparing release 2.4.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/io/trunk@1349399 13f79535-47bb-0310-9956-ffa450edef68

Author: garydgregory

RELEASE-NOTES.txt

@@ -1,6 +1,6 @@
 
 Apache Commons IO 
-Version 2.3-SNAPSHOT
+Version 2.4
 Release Notes
 
 INTRODUCTION:
@@ -12,6 +12,48 @@ reuse as to justify existence in java.io.
 The Commons IO library contains utility classes, stream implementations, file filters, 
 file comparators, endian transformation classes, and much more.
 
+==============================================================================
+Apache Commons IO Version 2.4
+==============================================================================
+New features and bug fixes.
+
+Changes in this version include:
+
+New features:
+o IO-269:  Tailer locks file from deletion/rename on Windows. Thanks to sebb. 
+o IO-333:  Export OSGi packages at version 1.x in addition to 2.x. Thanks to fmeschbe. 
+o IO-320:  Add XmlStreamReader support for UTF-32. Thanks to ggregory. 
+o IO-331:  BOMInputStream wrongly detects UTF-32LE_BOM files as UTF-16LE_BOM files in method getBOM(). Thanks to ggregory. 
+o IO-327:  Add byteCountToDisplaySize(BigInteger). Thanks to ggregory. 
+o IO-326:  Add new FileUtils.sizeOf[Directory] APIs to return BigInteger. Thanks to ggregory. 
+o IO-325:  Add IOUtils.toByteArray methods to work with URL and URI. Thanks to raviprak. 
+o IO-324:  Add missing Charset sister APIs to method that take a String charset name. Thanks to raviprak. 
+
+Fixed Bugs:
+o IO-279:  Tailer erroneously considers file as new. Thanks to Sergio Bossa, Chris Baron. 
+o IO-335:  Tailer#readLines - incorrect CR handling. 
+o IO-334:  FileUtils.toURLs throws NPE for null parameter; document the behavior. 
+o IO-332:  Improve tailer's reading performance. Thanks to liangly. 
+o IO-279:  Improve Tailer performance with buffered reads (see IO-332). 
+o IO-329:  FileUtils.writeLines uses unbuffered IO. Thanks to tivv. 
+o IO-319:  FileUtils.sizeOfDirectory follows symbolic links. Thanks to raviprak. 
+
+
+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.
+Semantic compatible: No, see the rare case in https://issues.apache.org/jira/browse/IO-318.
+
+Commons IO 2.4 requires JDK 1.6 or later.
+Commons IO 2.3 requires JDK 1.6 or later.
+Commons IO 2.2 requires JDK 1.5 or later.
+Commons IO 1.4 requires JDK 1.3 or later.
+
 ==============================================================================
 Apache Commons IO Version 2.3
 ==============================================================================