Transiberian mod for advtrains

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