webservice/clienttest.pl: finally make SOAP::Lite deal with enum types - what a totally non-scalable hack.

webservice/clienttest.pl: add sample code for triggering an ACPI shutdown, and fix quite a bit of API version bit rot

more branding and header fixes

API/others: Renamed IConsole::discardSavedState to IConsole::forgetSavedState, added parameter. Deleted old IConsole::powerDown, renamed IConsole::powerDownAsync to IConsole::powerDown (as promised for 2.1). Implemented perl sample code for registering a hard disk. Cleaned up constant formatting in the API docs. Updated SDK changelog. Renamed com/errorprint2.h to com/errorprint.h, added a few assertion variants. Eliminated com/errorprint_legacy.h. Adjusted all files using the affected headers and APIs. Renamed tstHeadless2 to tstHeadless.

SDK: fix broken perl testcase

SDK licensing

webservice: fix perl sample + documentation

fixed webservice copyright

export webservices to OSE