----

Version History:

 7.2 2006-02-11 add RETIREMENT property to delay deleting old zips.

 7.3 2006-03-05 reformat with IntelliJ and add Javadoc

 7.4 2007-05-30

 7.5 2007-07-16 IntelliJ inspector.

 7.6 2007-07-19 refactor to use use enums, for:each, pass IntelliJ Inspector.

 7.7 2007-07-20 compress manifests

 7.8 2007-07-23 debugging logs, extra validations.

 7.9 2007-07-23 new way to do zip retires to avoid out-of-order bug.

 8.0 2007-07-28 fix log so works on virgin machines.

 8.1 2007-07-29 Remove Windows centric code.

 8.2 2007-07-30 properties file specified on the command line.
                sender and receiver to make it work properly on Ubuntu. More
                efficient unpacking of zips, bypassing work it has done
                previously.

 8.3 2007-08-04 Use new version of FileTransfer with
                timeouts, more efficient CPU use, etc.

 8.4 2007-08-18 merged clump, move fileLength to FD for verify.

 8.5 2007-09-02 better stats, can hit verify during download, more spacious layout.

 8.6 2007-09-13 reduced frequency of zip repacking

 8.7 2007-09-18 Fix zip order when deletions

 8.8 2007-09-20 flip to JDK 1.6

 8.9 2007-09-22 now handles files that change length without changing date.

 9.0 2007-09-23 retirement time now specified in minutes rather than hours.

 9.1 2007-10-28 fix bug to ensure gui state persisted.

 9.2 2007-12-24 display range of times for retired.

 9.3 2008-01-07 emaciate and delete files in the same replicatorSender run.

 9.4 2008-01-28 calculate percentage of deadwood more conservatively

 9.5 2008-02-08 better error message if can't create dirs, tool tip help.

 9.6 2008-02-22 display computed lag and retirement timestamps

 9.7 2008-03-20 only unpack new files, not the entire zip.

 9.8 2008-03-28 fine tune generated JNLP

 9.9 2008-04-09 compact zips under tighter rules immediately after LAG days.

10.0 2008-08-10 extend timeouts to be more patient with network congestion.

10.1 2009-01-23 fix harmless bug in saving the internal state

10.2 2009-04-03 tidy up code to check presence of necessary files to make it more WORA.

10.3 2009-05-03 localise log output file with Localise and PrintWriterPortable

10.4 2009-08-08 add RECOVER, HIGHEST_ACCEPTABLE_EXIT_CODE, MAX_UPLOAD_TRIES config parms.

10.5 2011-04-22 fully automate StartOver.bat, so no additional copies are needed.

10.6 2011-07-30 add support for Java 1.7

10.7 2011-08-05 add packing statistics

10.8 2011-09-08 sort packing statistics, avoiding voids.

10.9 2011-09-14 base stats on clumping, and stats on newest repackaged.

11.0 2011-12-22 update the JNLP

11.1 2012-03-15 serialise arrays instead of ArrayLists. Correct docs on how LAG works.

11.2 2012-05-12 more consistent use of empty timestamp markers. Should make more compact uploads.

11.3 2012-05-13 further more consistent use of empty markers.

11.4 2014-04-06 bypass Oracle dropping support for JNLP properties.

11.5 2014-08-19 modify SortedArrayList to account for JDK 1.8.0_20s fobbing Collections.sort on ArrayList.sort.

11.6 2015-03-10 sign the jar.

-30-