fix broken random tiles in map editor for RA snow tileset
add unused sprites to rv05 tile
remove tile templates for non-existing sprites
Merge pull request #5447 from Mailaender/pickany-snow

Fixed broken random tiles in map editor for RA snow tileset
StyleCop
dos2unix
update Lua project files
port more mission functions to the new Lua API
port Fort Lonestar to Lua
structure the code better