Add recipes for:
fragmentation grenade
tear gas grenade
incendiary grenade
fungicical grenade
insecticidal grenade
emp grenade
scrambler grenade
C-4 Explosives
40x46mm M433
40x46mm M576
40x46mm M651

Rename grenade to fragmentation grenade
Rename flashbang to flashbang grenade
Rename smoke bomb to smoke grenade

Fix thw wildly inconsistent use of grenade, canister, armed, active, lit amongst explosives.
-$GRENADE (lit) for those using matches
-$GRENADE (active) for those using pins
-$EXPLOSIVE (armed) for those on a manual timer