add support for VST>=2.4
add wine/windows-vst start script
update vestige header (from mixbus)
first part of merging windows and wine VST

libfst is now very ardour specific (no longer compatible with /upstream/)
Windows VST GUI related rework
NOOP, whitespace change only
resolve gtk + VST threading issues

while (gtk_events_pending()) gtk_main_iteration(); never returns
as long as there's a idle call registered somewhere (and it's not
called from an idle callback itself)
fix minimum VST GUI window size (gtk padding)
remove arvst (there's already vst/ardevst)
update wscript for windowsVST + mingw