Textures: Replace menu background fallback dirt_bg.png with empty sky texture
-rw-r--r-- 28 .gitattributes
-rw-r--r-- 1229 .gitignore
-rw-r--r-- 2087 .mailmap
-rw-r--r-- 499 .travis.yml
-rw-r--r-- 7537 CMakeLists.txt
-rw-r--r-- 6128 CONTRIBUTING.md
-rw-r--r-- 22534 README.txt
drwxr-xr-x - build
drwxr-xr-x - builtin
drwxr-xr-x - client
drwxr-xr-x - cmake
drwxr-xr-x - doc
drwxr-xr-x - fonts
drwxr-xr-x - games
-rw-r--r-- 46642 minetest.conf.example
drwxr-xr-x - misc
drwxr-xr-x - mods
drwxr-xr-x - po
drwxr-xr-x - src
drwxr-xr-x - textures
drwxr-xr-x - util