Move media author information to README.txt in mod directories

mods/default/README.txt

@@ -0,0 +1,62 @@
+Minetest 0.4 mod: default
+==========================
+
+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 General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+http://www.gnu.org/licenses/gpl-2.0.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>
+
+Originating from work by kddekadenz/Dogers:
+  default_grass_footstep.{1,2,3}.ogg
+  default_dig_crumbly.{1,2}.ogg
+
+Cisoun's WTFPL texture pack:
+  default_chest_front.png
+  default_chest_lock.png
+  default_chest_side.png
+  default_chest_top.png
+  default_cobble.png
+  default_dirt.png
+  default_grass.png
+  default_grass_side.png
+  default_jungletree.png
+  default_jungletree_top.png
+  default_lava.png
+  default_leaves.png
+  default_mossycobble.png
+  default_sand.png
+  default_sapling.png
+  default_sign_wall.png
+  default_stone.png
+  default_tool_mesepick.png
+  default_tool_steelpick.png
+  default_tool_steelshovel.png
+  default_tool_steelsword.png
+  default_tool_stonepick.png
+  default_tool_stoneshovel.png
+  default_tool_woodpick.png
+  default_tool_woodshovel.png
+  default_torch.png
+  default_torch_on_ceiling.png
+  default_torch_on_floor.png
+  default_tree.png
+  default_tree_top.png
+  default_water.png
+  default_wood.png
+  

mods/default/init.lua

@@ -1,5 +1,5 @@
--- default (Minetest 0.4 mod)
--- Most default stuff
+-- Minetest 0.4 mod: default
+-- See README.txt for licensing and other information.
 
 -- The API documentation in here was moved into doc/lua_api.txt