merge warden-server-2.2 do masteru

src/warden-server/bin/getClients.pl

src/warden-server/bin/getStatus.pl

src/warden-server/bin/registerReceiver.pl

src/warden-server/bin/registerSender.pl

src/warden-server/bin/unregisterClient.pl

src/warden-server/bin/wardenWatchdog.pl

src/warden-server/doc/CHANGELOG

src/warden-server/doc/INSTALL

src/warden-server/doc/LICENSE

src/warden-server/doc/README

src/warden-server/doc/warden.mysql

src/warden-server/doc/warden20to21.patch

src/warden-server/etc/package_version

src/warden-server/etc/warden-apache.conf

src/warden-server/etc/warden-client.conf

src/warden-server/etc/warden-server.conf

src/warden-server/lib/Warden.pm

src/warden-server/lib/Warden/ApacheDispatch.pm

src/warden-server/lib/WardenCommon.pm

src/warden-server/lib/WardenConf.pm