* Refactored the WebAPI HTML test harnesses to allow testing via both 'multipart/form-data' and 'application/x-www-form-urlencoded' encodings. Signed-off-by: Fred Gleason <fredg@paravelsystems.com>
* Added a 'Ticket' field to the test harness page at 'web/test/listsystemsettings.html'.
* Added an 'RDSystem::xml()' method in 'lib/rdsystem.cpp' and 'lib/rdsystem.h'. * Added a 'ListSystemSettings' web API call.