Farming: Make cotton look like cotton, add crafted string item

Remove string -> cotton alias.

mods/farming/README.txt

@@ -35,3 +35,6 @@ Created by Gambit (CC BY 3.0):
   farming_flour.png
   farming_cotton_seed.png
   farming_wheat_seed.png
+
+Created by Napiophelios (CC BY-SA 3.0):
+  farming_cotton.png

mods/farming/init.lua

@@ -1,13 +1,18 @@
 -- Global farming namespace
+
 farming = {}
 farming.path = minetest.get_modpath("farming")
 
+
 -- Load files
+
 dofile(farming.path .. "/api.lua")
 dofile(farming.path .. "/nodes.lua")
 dofile(farming.path .. "/hoes.lua")
 
+
 -- WHEAT
+
 farming.register_plant("farming:wheat", {
 	description = "Wheat Seed",
 	paramtype2 = "meshoptions",
@@ -19,6 +24,7 @@ farming.register_plant("farming:wheat", {
 	groups = {flammable = 4},
 	place_param2 = 3,
 })
+
 minetest.register_craftitem("farming:flour", {
 	description = "Flour",
 	inventory_image = "farming_flour.png",
@@ -45,7 +51,9 @@ minetest.register_craft({
 	recipe = "farming:flour"
 })
 
+
 -- Cotton
+
 farming.register_plant("farming:cotton", {
 	description = "Cotton Seed",
 	inventory_image = "farming_cotton_seed.png",
@@ -56,7 +64,11 @@ farming.register_plant("farming:cotton", {
 	groups = {flammable = 4},
 })
 
-minetest.register_alias("farming:string", "farming:cotton")
+minetest.register_craftitem("farming:string", {
+	description = "String",
+	inventory_image = "farming_string.png",
+	groups = {flammable = 2},
+})
 
 minetest.register_craft({
 	output = "wool:white",
@@ -66,7 +78,17 @@ minetest.register_craft({
 	}
 })
 
+minetest.register_craft({
+	output = "farming:string 2",
+	recipe = {
+		{"farming:cotton"},
+		{"farming:cotton"},
+	}
+})
+
+
 -- Straw
+
 minetest.register_craft({
 	output = "farming:straw 3",
 	recipe = {
@@ -83,7 +105,9 @@ minetest.register_craft({
 	}
 })
 
+
 -- Fuels
+
 minetest.register_craft({
 	type = "fuel",
 	recipe = "farming:straw",
@@ -102,6 +126,12 @@ minetest.register_craft({
 	burntime = 1,
 })
 
+minetest.register_craft({
+	type = "fuel",
+	recipe = "farming:string",
+	burntime = 1,
+})
+
 minetest.register_craft({
 	type = "fuel",
 	recipe = "farming:hoe_wood",