cleaning up some stuff with luacheck.

.luacheckrc

@@ -0,0 +1,66 @@
+read_globals = {
+	"minetest",
+	"ItemStack",
+	"VoxelArea",
+	"AreaStore",
+	table = {fields = {"copy", "indexof"}},
+	"vector",
+	"default",
+	"dump",
+	"core",
+}
+
+globals = {
+	"awards",
+	"big_webs",
+	"bones_loot",
+	"bubblesponge",
+	"bucket",
+	"chasms",
+	"collectible_lore",
+	"cottages",
+	"df_achievements",
+	"df_ambience",
+	"df_caverns",
+	"df_dependencies",
+	"df_dependencies",
+	"df_farming",
+	"df_mapitems",
+	"df_primordial_items",
+	"df_trees",
+	"df_underworld_items",
+	"doors",
+	"dungeon_loot",
+	"dynamic_liquid",
+	"footprints",
+	"hunter_statue",
+	"ice_sprites",
+	"looped_node_sound",
+	"mapgen_helper",
+	"mcl_buckets",
+	"mcl_explosions",
+	"mcl_fences",
+	"mcl_flowers",
+	"mcl_formspec",
+	"mcl_mapgen",
+	"mcl_sounds",
+	"mcl_stairs",
+	"mcl_vars",
+	"mcl_worlds",
+	"mesecon",
+	"name_generator",
+	"named_waypoints",
+	"oil",
+	"pit_caves",
+	"playerplus",
+	"radiant_damage",
+	"simplecrafting_lib",
+	"stairs",
+	"stairsplus",
+	"subterrane",
+	"tnt",
+}
+
+max_line_length = false
+unused_args = false
+unused = false