Fix: Boss General Avenger Issues

[commy2]

ZH 1.04:

• The Boss Avenger is wonky compared to other Avengers:
  -- unit would display team color wrong (always red team)
  -- a Bomb Truck disguised as this unit would show up wrong (without turret)
  -- unit was missing upgrade icon for Hellfire Drones
  -- unit was using TankArmor type, had more health than regular Avengers against ground units, but be more vulnerable to air units
  -- unit cannot promote at all
  -- unit cannot be ordered to target air units
  -- unit second PDL uses different scan rate, thus attempts to zap the same missiles as the first PDL
  -- unit was uses the move sounds of Paladin instead of Humvee