Updated to work with Minetest 0.4.6
0gb.us_game no longer parallels minetest_game. Instead, it parallels common, and draws node and item definitions from there. This will result in 0gb.us_game having a lighter weight game directory and mostly updating itself to work on any future version of Minetest, without resulting in a lighter weight game, for the most part. If all goes well, it might even result in a heavier game.