Disk labels

Megatron VGA v6.12 (Installer) [SW]
 - "MEGAT 1"

Fortress of Dr. Radiaki, The (Installer) (1994)
 - "RADIAKI_01"
 - heavily modified fix required for installer even with floppy labels :(

PowerMonger (Installer) [f1] (1992)
 - "INSTALL_PM1"
 - changed INSTALL.EXE to support only INSTALL_PM1
