Old weapons pack

Removed several guns from the core and put the in this mod.
Added some guns.

http://smf.cataclysmdda.com/index.php?topic=5240.0
Merge old weapon mod.

Conflicts:
	data/json/item_groups.json
	data/json/items/ammo.json
	data/json/items/ranged.json
	data/json/recipes/recipes.json
Fix some whitespace damage.