Core content mod for Hades Revisited

Minimal mod that contains fundamental nodes, tools and craftitems for Hades Revisited.

Originally based on Minetest Game's default mod, now changed beyond recognition.
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License of source code:
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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)
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Attribution-ShareAlike 4.0 International (CC BY-SA 4.0)
http://creativecommons.org/licenses/by-sa/4.0/

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

Cisoun's texture pack (MIT License):
  default_chest_front.png
  default_chest_lock.png
  default_chest_side.png
  default_chest_top.png
  default_stone_brick.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_sapling.png
  default_sign_wall.png
  default_stone.png
  default_tool_mesepick.png
  default_tool_steelpick.png
  default_tool_steelshovel.png
  default_tool_stonepick.png
  default_tool_stoneshovel.png
  default_tool_woodpick.png
  default_tool_woodshovel.png
  default_tree.png
  default_tree_top.png
  default_water.png

Originating from G4JC's Almost MC Texture Pack:
  default_wood.png
  default_cobble.png

RealBadAngel's animated water (MIT License):
  default_water_source_animated.png
  default_water_flowing_animated.png

VanessaE (MIT License):
  default_nc_back.png
  default_nc_front.png
  default_nc_rb.png
  default_nc_side.png
  default_grass_*.png
  hades_core_fertile_sand.png
  hades_core_stone_baked.png
  hades_core_stone_brick_baked.png
  hades_core_ash.png

Calinou (CC BY-SA):
  default_brick.png
  default_clay_brick.png
  default_papyrus.png
  default_tool_steelsword.png
  default_bronze_ingot.png
  default_copper_ingot.png
  default_copper_lump.png
  default_mineral_copper.png

PilzAdam (MIT License):
  default_jungleleaves.png
  default_junglesapling.png
  default_junglewood.png
  default_obsidian_glass.png
  default_obsidian_shard.png
  default_mossycobble.png
  default_gold_ingot.png
  default_gold_lump.png
  default_mineral_gold.png
  default_tool_meseaxe.png
  default_tool_meseshovel.png
  default_tool_mesesword.png
  default_tool_bronzeaxe.png
  default_tool_bronzepick.png
  default_tool_bronzeshovel.png
  default_tool_bronzesword.png

jojoa1997 (MIT License):
  default_obsidian.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

kaeza (MIT License):
  bubble.png

sorcerykid (CC BY-SA 4.0):
  hades_core_steel_rod.png

Wuzzy (CC0 1.0):
  default_sandstone.png
  default_sandstone_brick.png
  hades_core_sandstone_volcanic.png
  hades_core_cobble_sandstone.png
  hades_core_cobble_sandstone_volcanic.png
  hades_core_sandstonebrick_volcanic.png
  hades_core_azurite*.png
  hades_core_olivine*.png
  hades_core_apollonine*.png
  hades_core_orangite*.png
  hades_core_lillite*.png
  hades_core_turquosite*.png
  hades_core_cinnaber*.png
  hades_core_basalt*.png

Eelke <https://freesound.org/people/Eelke/sounds/462598/> (CC BY 3.0):
  hades_core_footstep_ladder_metal.1.ogg
  hades_core_footstep_ladder_metal.2.ogg
  hades_core_footstep_ladder_metal.3.ogg
  hades_core_footstep_ladder_metal.4.ogg
  hades_core_footstep_ladder_metal.5.ogg

Fission9 <https://freesound.org/people/Fission9/sounds/521589/> (CC0 1.0)
  hades_core_footstep_ladder_wood.1.ogg
  hades_core_footstep_ladder_wood.2.ogg
  hades_core_footstep_ladder_wood.3.ogg
  hades_core_footstep_ladder_wood.4.ogg

sonictechtonic <https://www.freesound.org/people/sonictechtonic/sounds/241872/> (CC BY 3.0):
  player_damage.ogg

MentalSanityOff (CC0 1.0)
   player_falling_damage.ogg
   Source: http://www.freesound.org/people/MentalSanityOff/sounds/148796/
           https://opengameart.org/content/jump-landing-sound

Dynamicell <http://www.freesound.org/people/Dynamicell/sounds/17548/> (CC BY 3.0):
  fire_extinguish_flame.*.ogg

tobyplowy (aka toby109tt) (CC BY 3.0)
    hades_core_cactus_fig_item.png

Casimir (CC BY-SA 4.0)
    hades_core_cactus_fig.png (based on work by toby109tt)

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License references:
CC0: <https://creativecommons.org/publicdomain/zero/1.0/>
CC BY 3.0: <http://creativecommons.org/licenses/by/3.0/>
CC BY-SA 3.0: <http://creativecommons.org/licenses/by-sa/3.0/>
CC BY-SA 4.0: <http://creativecommons.org/licenses/by-sa/4.0/>
