v2.1.0.3

- implemented new weapon: STEYR AUG A1 - it is available in trade, on
NPCs and has upgrades configured for it

- made some additional re-balance tweaks to ammo types

- Water Plant in Zaton now gets properly repopulated after mission there
is done

- NPCs now have chance to have silenceres on their SIG550 Snipers, TRGs
and SVUs