split signs_lib from homedecor, put them into their own separate mods

package the two together as a modpack so that regular homedecor users don't
see a functional change, but others can take signs_lib and use it as a
standalone mod.

also get rid of some *~ files

homedecor/furniture_recipes.lua

@@ -0,0 +1,138 @@
+
+minetest.register_craft({
+    output = "homedecor:table", "homedecor:chair 2",
+    recipe = {
+        { "group:wood","group:wood", "group:wood" },
+        { "default:stick", "", "default:stick" },
+    },
+})
+
+minetest.register_craft({
+    type = "fuel",
+    recipe = "homedecor:table",
+    burntime = 30,
+})
+
+minetest.register_craft({
+    output = "homedecor:chair 2",
+    recipe = {
+        { "default:stick",""},
+        { "group:wood","group:wood" },
+        { "default:stick","default:stick" },
+    },
+})
+
+minetest.register_craft({
+    type = "fuel",
+    recipe = "homedecor:chair",
+    burntime = 15,
+})
+
+minetest.register_craft({
+    type = "fuel",
+    recipe = "homedecor:armchair",
+    burntime = 30,
+})
+
+minetest.register_craft({
+    output = "homedecor:table_lamp_off",
+    recipe = {
+        {"default:paper","default:torch" ,"default:paper"},
+        {"","default:stick",""},
+        {"","stairs:slab_wood",""},
+    },
+})
+
+minetest.register_craft({
+    output = "homedecor:table_lamp_off",
+    recipe = {
+        {"default:paper","default:torch" ,"default:paper"},
+        {"","default:stick",""},
+        {"","stairsplus:slab_wood",""},
+    },
+})
+
+minetest.register_craft({
+    type = "fuel",
+    recipe = "homedecor:table_lamp_off",
+    burntime = 10,
+})
+
+minetest.register_craft({
+    output = "homedecor:toilet",
+    recipe = {
+        {"","","bucket:bucket_water"},
+        { "default:cobble","default:cobble", "default:cobble" },
+        { "", "bucket:bucket_empty", "" },
+    },
+})
+
+minetest.register_craft({
+    output = "homedecor:sink",
+    recipe = {
+        { "default:cobble","bucket:bucket_empty", "default:cobble" },
+    },
+})
+
+minetest.register_craft({
+    output = "homedecor:taps",
+    recipe = {
+        { "default:steel_ingot","bucket:bucket_water", "default:steel_ingot" },
+    },
+})
+
+minetest.register_craft({
+    output = "homedecor:shower_tray",
+    recipe = {
+        { "default:cobble","bucket:bucket_water", "default:cobble" },
+    },
+})
+
+minetest.register_craft({
+    output = "homedecor:shower_head",
+    recipe = {
+        {"default:steel_ingot", "bucket:bucket_water"},
+    },
+})
+
+minetest.register_craft({
+    output = "homedecor:bars 10",
+    recipe = {
+        { "default:steel_ingot","default:steel_ingot","default:steel_ingot" },
+        { "default:steel_ingot","default:steel_ingot","default:steel_ingot" },
+    },
+})
+
+minetest.register_craft({
+    output = "homedecor:L_binding_bars 4",
+    recipe = {
+        { "homedecor:bars","" },
+        { "homedecor:bars","homedecor:bars" },
+    },
+})
+
+minetest.register_craft({
+    output = "homedecor:chains 4",
+    recipe = {
+        {"","default:steel_ingot","default:steel_ingot"},
+        { "default:steel_ingot","", "default:steel_ingot" },
+        { "default:steel_ingot", "default:steel_ingot", "" },
+    },
+})
+
+minetest.register_craft({
+    output = "homedecor:chains 4",
+    recipe = {
+        { "default:steel_ingot", "", "default:steel_ingot"},
+        { "glooptest:chainlink", "", "glooptest:chainlink" },
+        { "glooptest:chainlink", "", "glooptest:chainlink" },
+    },
+})
+
+minetest.register_craft({
+    output = "homedecor:torch_wall 10",
+    recipe = {
+        { "default:coal_lump" },
+        { "default:steel_ingot" },
+    },
+})