Dehardcode map

* Dehardcode maps (currently not working)
maps need work and proper configs

* Fix bugs
i'm terrible at lua

* Add proper maps and configs

* Fix some bugs
the game at least loads now, though it crashes when you run /start <a map>

* Fix more bugs
The map starts now though you don't get teleported to it.

* Teleport the player to the map spawn on start

* Fix lots of bugs
It mostly works now

* Add butterflies mod

* Another bugfix

* Add fireflies mod

* Add vessels mod (dependency for fireflies)

* Add a sprint mod

* Add a spawnpoint
no more falling into the void

* Update TODO.txt

* Fix the barriers being offset by 2
Also add more dependency mods

mods/stairs/license.txt

@@ -0,0 +1,16 @@
+License of source code
+----------------------
+
+GNU Lesser General Public License, version 2.1
+Copyright (C) 2011-2017 Kahrl <kahrl@gmx.net>
+Copyright (C) 2011-2017 celeron55, Perttu Ahola <celeron55@gmail.com>
+Copyright (C) 2012-2017 Various Minetest Game developers and contributors
+
+This program is free software; you can redistribute it and/or modify it under the terms
+of the GNU Lesser General Public License as published by the Free Software Foundation;
+either version 2.1 of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+See the GNU Lesser General Public License for more details:
+https://www.gnu.org/licenses/old-licenses/lgpl-2.1.html