Shotgun dart overhaul, #1181 fixed, NOREACT flag removed from mobs

You can fill shotgun dart with 30u of chemicals using a syringe. Chemicals in dart will react only when dart hits something. Flash, metal foam, smoke, napalm, EMP - just like a small chem grenade.

Removed notele from circuit imprinter - #1181 fixed

NOREACT flag removed from mobs, so reactions will happen inside them. Why? Because potassium and water pills is FUN!