Added missing PIP to LZRT & LZRI.

Radiation immunity for NKK9 changed to /4.

Fixed radiation immunity for NSPC & NKK9 /2, & NTNK /3.

*Fixed Attack Helicopter name to Longbow.
*Shortened name of Nuclear Destroyer to Nuclear DD.
*Fixed low power message for Obelisk.
*Added Chemthrower.
*Fixed float/fixed for Armor+, Firepower+, & Speed+ (with tks to ezr0913).
*Added TD Commando's VOC's to NSPC.

Changed PHFT/PHFI to LZRT/LZRI.

*PHF Trooper with Portable Laser Defense (allies & soviets).
*DISPLAY.CPP - Chthon CFE Note: Bugfix magic build exploit.
*RADAR.CPP - Chthon CFE Note: Bugfix, allows harvest via radar map.
*Removed Catch_Fire to WARHEAD_FIRE damage that resulted in petrified/invincible trees.
*Fixed Gap Generator not showing on radar screen.
*Multiple .H virtual Chthon CFE Bugfix's.
*Changed PHF/IS/P SPC warheads from FIRE to HP2.

*Fixed requirement for Mobile PHF.
*Also removed flash from [MSLO] nuclear missile.

*Mobile PHF with Mobile Laser Defense added.
*Flash-less Nuclear Explosions added.
*Disabled legacy graphics.

Removed PIP for Medic & Mechanic.

*Added extra text, VOC, & VOX audio.
*Added Rule.ExtraTextandAudio in rules.ini.