Update license and include source headers

Pass a deep copy of gunspec instead of a direct reference

Fix Lua style multi-line comments :/

Fix flaregun dependencies

Add mod.conf and description files plus some readme fixes

shooter_guns/README.txt

@@ -0,0 +1,59 @@
+Minetest Mod - Shooter Guns [shooter_guns]
+==========================================
+
+Depends: shooter
+
+Adds basic guns using the shooter API.
+
+Crafting
+========
+
+S = Steel Ingot  [default:steel_ingot]
+B = Bronze Ingot [default:bronze_ingot]
+M = Mese Crystal [default:mese_crysytal]
+G = Gun Powder   [tnt:gunpowder]
+
+Pistol: [shooter_guns:pistol]
+
++---+---+
+| S | S |
++---+---+
+|   | M |
++---+---+
+
+Rifle: [shooter_guns:rifle]
+
++---+---+---+
+| S |   |   |
++---+---+---+
+|   | B |   |
++---+---+---+
+|   | M | B |
++---+---+---+
+
+Shotgun: [shooter_guns:shotgun]
+
++---+---+---+
+| S |   |   |
++---+---+---+
+|   | S |   |
++---+---+---+
+|   | M | B |
++---+---+---+
+
+Sub Machine Gun: [shooter_guns:machine_gun]
+
++---+---+---+
+| S | S | S |
++---+---+---+
+|   | B | M |
++---+---+---+
+|   | B |   |
++---+---+---+
+
+Ammo Pack: [shooter_guns:ammo]
+
++---+---+
+| G | B |
++---+---+
+

shooter_guns/description.txt

@@ -0,0 +1 @@
+Adds basic guns using the shooter API.

shooter_guns/init.lua

@@ -1,3 +1,22 @@
+--[[
+Shooter Guns [shooter_guns]
+Copyright (C) 2013-2019 stujones11, Stuart Jones
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+]]--
+
 shooter.register_weapon("shooter_guns:pistol", {
 	description = "Pistol",
 	inventory_image = "shooter_pistol.png",

shooter_guns/mod.conf

@@ -0,0 +1 @@
+name = shooter_guns