Update sh_357.lua

Fixed ammo price defaulting to 0 tokens.
Update sh_ar2.lua

Fixed ammo price defaulting to 0 tokens.
Update sh_buckshot.lua

Fixed ammo price defaulting to 0 tokens.
Update sh_combineball.lua

Fixed ammo price defaulting to 0 tokens.
Update sh_crossbow.lua

Fixed ammo price defaulting to 0 tokens.
Update sh_pistol.lua

Fixed ammo price defaulting to 0 tokens.
Update sh_rpg.lua

Fixed ammo price defaulting to 0 tokens.
Update sh_smg.lua

Fixed ammo price defaulting to 0 tokens.
Update sh_smggrenade.lua

Fixed ammo price defaulting to 0 tokens.
Update sh_radio.lua

Contraband can't be free!
Update sh_radio_stat.lua

Contraband can't be free!
Update sh_flashlight.lua

Got to cost something, eh?
Merge pull request #22 from ArttuFromHyperia/master

Fixed prices for items.