* Initial support for sample based instruments in KORG's file format (.KMP
and .KSF files) -> Korg.h, Korg.cpp.
* Added new command line tool "korgdump" (and a man page for it).
* Added new command line tool "korg2gig" (and a man page for it), for
converting KORG sounds to Giga format.
* riftree tool: Added more command line options for being able to also dump
other kind of file formats similar but not equal to the RIFF format.
* gig.h/.cpp: Added new method File::GetGroup(String name) for retrieving
group by name.
* RIFF.h/.cpp: Added support for loading RIFF-like files with a bit
different layout than "real" RIFF files (used for KORG format support).
* RIFF.h/.cpp: Added new method Chunk::GetFile().
* RIFF.h/.cpp: Added new method Chunk::GetLayout().
* Bumped version (3.3.0.svn9).