Describe snow_cobble as Icy Snow, create crafting recipes for it

Snow blocks now drop itself not snow cobble, you need to craft it now
with ice blocks and default:snow. This makes it more plentiful then snow
blocks but a bit harder to create.

readme.txt

@@ -64,11 +64,6 @@ Sleds allow for faster travel on snow.
 
 CRAFTING:
 -----------
-Snow Block:
-
-Snowball    Snowball
-Snowball    Snowball
-
 Snow Brick:
 
 Snow Block    Snow Block
@@ -79,6 +74,10 @@ Sled:
 				Stick
 Wood	Wood	Wood
 
+Icy Snow:
+
+Snow	Ice
+Ice		Snow
 MAPGEN_V7:
 ------------
 If you are using minetest 0.4.8 or the latest dev version of minetest you can choose to generate a v7 map.

src/aliases.lua

@@ -21,6 +21,7 @@ minetest.register_alias("snowbrick", "snow:snow_brick")
 minetest.register_alias("bricksnow", "snow:snow_brick")
 minetest.register_alias("snowbricks", "snow:snow_brick")
 minetest.register_alias("snowybricks", "snow:snow_brick")
+minetest.register_alias("icysnow", "snow:snow_cobble")
 minetest.register_alias("snowcobble", "snow:snow_cobble")
 minetest.register_alias("snowycobble", "snow:snow_cobble")
 minetest.register_alias("cobblesnow", "snow:snow_cobble")

src/crafting.lua

@@ -123,6 +123,26 @@ minetest.register_craft({
     }
 })
 
+--Craft icy snow.
+minetest.register_craft({
+	type = "shapeless",
+	output = 'default:snow_cobble 2',
+	recipe = {
+		'snow:snow',
+		'snow:snow',
+		'snow:ice',
+		'snow:ice'
+		}
+})
+
+minetest.register_craft({
+	type = "shapeless",
+	output = 'default:snow_cobble',
+	recipe = {
+		'snow:snow',
+		'snow:ice'
+		}
+})
 
 
 -- Why not recycle snow_bricks back into snowblocks? ~ LazyJ

src/nodes.lua

@@ -279,11 +279,11 @@ minetest.register_node("snow:snow_brick", {
 
 
 -- Snow Cobble  ~ LazyJ
+-- Described as Icy Snow
 minetest.register_node("snow:snow_cobble", {
-	description = "Snow Cobble",
+	description = "Icy Snow",
 	tiles = {"snow_snow_cobble.png"},
 	is_ground_content = true,
-	freezemelt = "default:water_source",
 	liquidtype = "none",
 	paramtype = "light",
 	sunlight_propagates = true,	
@@ -348,8 +348,8 @@ minetest.override_item("default:snowblock", {
 	paramtype = "light",  -- LazyJ to make dirt below change to dirt_with_snow (see default, nodes.lua, dirt ABM)
 	sunlight_propagates = true, -- LazyJ to make dirt below change to dirt_with_snow (see default, nodes.lua, dirt ABM)
 	 -- Snow blocks should be easy to dig because they are just fluffy snow. ~ LazyJ
-	groups = {cracky=3, crumbly=3, choppy=3, oddly_breakable_by_hand=3, melts=1, icemaker=1, cooks_into_ice=1},
-	drop = "snow:snow_cobble",
+	groups = {cracky=3, crumbly=3, choppy=3, oddly_breakable_by_hand=3, melts=1, icemaker=1, cooks_into_ice=1, falling_node=1},
+	--drop = "snow:snow_cobble",
 	on_construct = function(pos)
 		pos.y = pos.y - 1
 		if minetest.get_node(pos).name == "default:dirt_with_grass"