Big cleanup. Fix intllib support.

config.lua

@@ -0,0 +1,22 @@
+maptools.config = {}
+
+local function getbool_default(setting, default)
+	local value = minetest.setting_getbool(setting)
+	if value == nil then
+		value = default
+	end
+	return value
+end
+
+local function setting(settingtype, name, default)
+	if settingtype == "bool" then
+		maptools.config[name] =
+			getbool_default("maptools." .. name, default)
+	else
+		maptools.config[name] =
+			minetest.setting_get("maptools." .. name) or default
+	end
+end
+
+-- Show Map Tools stuff in creative inventory (1 or 0):
+setting("integer", "hide_from_creative_inventory", 1)