FE/Qt: Rest of the icons update (color format fix).
FE/Qt: General Icon Update: Machine-state icons.
FE/Qt4: small updates to some icons
renamed VirtualBox4 to VirtualBox
purge the obsolete Qt3 GUI
FE/Qt: Major icon refine, part 1.
FE/Qt: Icon update.
export to OSE again
removed from OSD (temporarily)
import