Remove the Multi-Targeting System from equipment of Asp, Adder, Cobra I

It's utterly useless with only one missile pylon, so no point in allowing it to be fitted. The Asp had it as built-in equipment, so give that Target Memory as standard instead.
New ship models and textures as provided by Griff and CaptSolo

(Don't forget to git submodule update to get the texture files themselves)
Police lights now used in combat again
Adjust Cobra III aft view