=========================================

License of source code:
-----------------------
Copyright (C) 2011-2012 celeron55, Perttu Ahola <celeron55@gmail.com>

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.

http://www.gnu.org/licenses/lgpl-2.1.html

License of media (textures and sounds)
--------------------------------------
Attribution-ShareAlike 3.0 Unported (CC BY-SA 3.0)
http://creativecommons.org/licenses/by-sa/3.0/

Authors of media files
-----------------------
Everything not listed in here:
Copyright (C) 2010-2012 celeron55, Perttu Ahola <celeron55@gmail.com>

Cisoun's WTFPL texture pack:
  default_stone.png

VanessaE (WTFPL):
  default_desert_stone.png
  
Calinou (CC BY-SA):
  default_brick.png
  default_mineral_copper.png
  default_glass_detail.png

PilzAdam (WTFPL):
  default_obsidian_glass.png
  default_mineral_gold.png
  
jojoa1997 (WTFPL):
  default_obsidian.png

InfinityProject (WTFPL):
  default_mineral_diamond.png

Splizard (CC BY-SA 3.0):
  default_snow.png
  
Zeg9 (CC BY-SA 3.0):
  default_coal_block.png
  default_steel_block.png
  default_copper_block.png
  default_bronze_block.png
  default_gold_block.png

paramat (CC BY-SA 3.0):
  default_acacia_wood.png
  default_junglewood.png
  default_sandstone_brick.png
  default_obsidian_brick.png
  default_stone_brick.png
  default_desert_stone_brick.png

TumeniNodes (CC BY-SA 3.0):
  default_desert_cobble.png -- Derived from a texture by brunob.santos (CC BY-SA 3.0)

BlockMen (CC BY-SA 3.0):
  default_wood.png
  door_obsidian_glass_side.png

sofar (CC BY-SA 3.0):
  default_aspen_wood, derived from default_pine_wood (by paramat)

Neuromancer (CC BY-SA 2.0):
  default_cobble.png, based on texture by Brane praefect
  default_mossycobble.png, based on texture by Brane praefect

PenguinDad (CC BY-SA 4.0):
  door_glass.png
  door_obsidian_glass.png

Gambit (WTFPL):
  default_diamond_block.png

asl97 (WTFPL):
  default_ice.png

Obsidian door textures by red-001 based on textures by Pilzadam and BlockMen (CC BY-SA 3.0):
  door_obsidian_glass.png

Glass door textures by Krock based on textures by VanessaE (CC BY-SA 3.0):
  doors_door_glass.png
  doors_item_glass.png

All other textures (created by PilzAdam) (CC BY-SA 3.0):

Door textures were converted to the new texture map by sofar, paramat and
red-001, under the same license as the originals.

Glass breaking sounds (CC BY 3.0):
  1: http://www.freesound.org/people/cmusounddesign/sounds/71947/
  2: http://www.freesound.org/people/Tomlija/sounds/97669/
  3: http://www.freesound.org/people/lsprice/sounds/88808/

Mito551 (sounds) (CC BY-SA):
  default_dig_choppy.ogg
  default_dig_cracky.ogg
  default_dig_crumbly.1.ogg
  default_dig_crumbly.2.ogg
  default_dig_dig_immediate.ogg
  default_dig_oddly_breakable_by_hand.ogg
  default_dug_node.1.ogg
  default_dug_node.2.ogg
  default_grass_footstep.1.ogg
  default_grass_footstep.2.ogg
  default_grass_footstep.3.ogg
  default_gravel_footstep.1.ogg
  default_gravel_footstep.2.ogg
  default_gravel_footstep.3.ogg
  default_gravel_footstep.4.ogg
  default_grass_footstep.1.ogg
  default_place_node.1.ogg
  default_place_node.2.ogg
  default_place_node.3.ogg
  default_place_node_hard.1.ogg
  default_place_node_hard.2.ogg
  default_snow_footstep.1.ogg
  default_snow_footstep.2.ogg
  default_hard_footstep.1.ogg
  default_hard_footstep.2.ogg
  default_hard_footstep.3.ogg
  default_sand_footstep.1.ogg
  default_sand_footstep.2.ogg
  default_wood_footstep.1.ogg
  default_wood_footstep.2.ogg
  default_dirt_footstep.1.ogg
  default_dirt_footstep.2.ogg
  default_glass_footstep.ogg

Opening-Sound created by CGEffex (CC BY 3.0), modified by BlockMen
  door_open.ogg
Closing-Sound created by bennstir (CC BY 3.0)
  door_close.ogg
Steel door sounds open & close (CC-BY-3.0) by HazMatt
  - http://www.freesound.org/people/HazMattt/sounds/187283/
  doors_steel_door_open.ogg
  doors_steel_door_close.ogg
doors_glass_door_open.ogg, doors_glass_door_close.ogg:
  https://www.freesound.org/people/SkeetMasterFunk69/sounds/235546/ (CC0 1.0)