Mod rewrite and new models (#21)

* Aliases moved to utils folder

* Method to generate two different formspec layouts, big and small

* Log Actions moved to separate module

* Added method to generate a chest definition

* Rewritten models

* Add Fridge model

* Add Toolbox models

* "Mod loaded" message; Updated localization template

* Add Italian localization

* Fridge now has both normal and big (2 blocks) models

* Fixed mixed indentation

* Rewritten README; improved IT and FR (thanks to @louisroyer) localizations.

utils/formspec.lua

@@ -0,0 +1,38 @@
+function generate(size)
+	if size == "small" then
+		cfg = {
+			window_width = 8,
+			window_height = 9,
+			chest_width = 8,
+			chest_height = 4,
+		}
+	elseif size == "big" then
+		cfg = {
+			window_width = 14,
+			window_height = 10,
+			chest_width = 14,
+			chest_height = 5,
+		}
+	end
+	-- calc padding to vertically align center the chest and the player's inventory
+	local player_inv_y_orig = cfg.chest_height + 0.85
+	local player_inv_x_orig = (cfg.window_width - 8) / 2 -- 8=player_inv_width
+	return "size[" ..
+		cfg.window_width .. "," .. cfg.window_height .. "]" ..
+		default.gui_bg ..
+		default.gui_bg_img ..
+		default.gui_slots ..
+		"list[current_name;main;0,0.3;" ..
+		cfg.chest_width .. "," .. cfg.chest_height .. ";]" ..
+		"list[current_player;main;" ..
+		player_inv_x_orig .. "," .. player_inv_y_orig ..
+		";8,1;]" ..
+		"list[current_player;main;" ..
+		player_inv_x_orig .. "," .. (player_inv_y_orig + 1.15) ..
+		";8,3;8]" ..
+		"listring[current_name;main]" ..
+		"listring[current_player;main]" ..
+		default.get_hotbar_bg(player_inv_x_orig, player_inv_y_orig)
+end
+
+return generate