GsDevKit_home release - bugfixes and improved upgradeStone

> Significant new support for doing upgrades with the
> $GS_HOME/bin/upgradeStone. In a nutshell, the upgradeStone now handles
> post upgrade conversion tasks[3], like recompiling sort blocks when
> upgrading to 3.3.x from earlier versions; resorting SortedCollections
> and rebuilding indexes when upgrading from pre-Unicode support
> releases like 2.4.x or 3.1.x to 3.2.x or 3.3.x.
>
> The post upgrade tasks are implemented using tODE scripts, which means
> that extending/modifying the upgrade tasks is possible on a stone by
> stone basis.
>
> Please read the doc "Upgrading stones with
> $GS_HOME/bin/upgradeStone"[2] for more information.
>
> If you _are_ planning on upgrading to 3.3.x, I suggest that you wait
> until 3.3.1 is released (schedule for the next couple of weeks) as
> we've also made product changes that make upgrading from 3.2.x to
> 3.3.1 and beyond much simpler.
>
> In addition to the upgradeStone improvements, the following
> GsDevKit_home bugs have been fixed:
>
>   Issue #123: newExtent should maybe offer a confirm
>   Issue #120: Use https://downloads.gemtalksystems.com in
> $GS_HOME/bin/downloadGemStone
>   Issue #116: extraneous space at end of netldi log file name
> (netldi.log not netldi.log)
>   Issue #115: createClient fails on windows for 3.3.0
>   Issue #114: ftp.gemstone.com is unreliable (or perhaps down for good)
>   Issue #113: _todeClient bin/template/updateClient doesn't properly
> update prefix images (-p option)
>   Issue #112: Update upgradeStone script to correctly handle upgrades
> to 3.3.0, 3.3.1 and beyond
>   Issue #111: $GEMSTONE/bin/upgradeImage script not being used for
> upgrades
>   Issue #88: Add Seaside upgrade formula to upgradeStone and
> upgradeSeasideStone
>   Issue #70: $GEMSTONE/bin/postconv should be runnable from within
> $GS_HOME/bin/upgradeStone
>   Issue #67: upgradeStone gives a aGsMethodDictionary in
> objectSecurityPolicyId 1 with insufficient authorization
>
> See the pull request[1] for complete details.
>
> Dale
>
> [1] https://github.com/GsDevKit/GsDevKit_home/pull/124
> [2]
> https://github.com/GsDevKit/GsDevKit_home/blob/master/docs/upgradeStone.md#upgrading-stones-with-gs_homebinupgradestone
> [3]
> https://github.com/GsDevKit/GsDevKit_home/blob/master/docs/upgradeStone.md#run-devkitcommandline-postupgradestone-command