License of source code:
-----------------------
GNU GPLv3

Copyright (C) 2012 PilzAdam
modified by BlockMen (added sounds, glassdoor, trapdoor)

License of sounds
--------------------------------------
Opening-Sound created by CGEffex (CC BY 3.0), modified by BlockMen
  doors_door_open.ogg
Closing-Sound created by bennstir (CC BY 3.0)
  doors_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

License/authors of texture files
--------------------------------------
Same as media license for VoxeLibre (see root directory).

With modifications by GitHub user kingoscargames:
- `doors_item_steel.png`
- `mcl_doors_door_iron_lower.png`
- `mcl_doors_door_iron_upper.png`
- `mcl_doors_trapdoor_acaica.png`
- `mcl_doors_trapdoor_birch.png`
- `mcl_doors_trapdoor_spruce.png`
- `mcl_doors_trapdoor_dark_oak.png`
- `mcl_doors_trapdoor_jungle.png`
