Adds a corpse and autopsy for the Advent Military Assault Mec

• Prototype Assault Shotgun
  Unlocked after Mec Wreck autopsy and Gauss Weapons research
  Deals 7-10 damage, 5 crit, has its own unique weapon range table
  
• Elerium Assault Shotgun
  Unlocked after Assault Mec Wreck autopsy and Heavy Plasma research
  Deals 9-12 damage, 6 crit damage, has its own weapon range table (short custom)

Needs Knox's Spark Pack to be equipped, its category is set into "kpp_sparkshotgun", since i originally built it to be used by the spark breacher class, you can change the weapon category into "sparkrifle" in the template editor if you're not running knox's spark pack