Transiberian mod for advtrains

Mathis aba375634e Merge pull request #1 from Montandalar/master 2 rokov pred
locale a0696950a2 Initial Commit 7 rokov pred
models a0696950a2 Initial Commit 7 rokov pred
textures a0696950a2 Initial Commit 7 rokov pred
depends.txt a0696950a2 Initial Commit 7 rokov pred
init.lua f754a41420 Fix drop for engine and inv formspec 4 rokov pred