Merge branch 'master' into nextgen

Conflicts:
	mesecons/internal.lua
	mesecons/wires.lua
	mesecons_pistons/init.lua

mesecons/internal.lua

@@ -134,6 +134,7 @@ function mesecon:receptor_get_rules(node)
 			return rules
 		end
 	end
+
 	return mesecon.rules.default
 end
 

mesecons/wires.lua

@@ -243,3 +243,9 @@ minetest.register_craft({
 		{'"default:mese"'},
 	}
 })
+
+minetest.register_craft({
+	type = "cooking",
+	output = '"mesecons:wire_00000000_off" 16',
+	recipe = "default:mese_crystal",
+})