Patch 5.1.1

----------------------------------------------------------------------- - 5.1.1 Changelog ----------------------------------------------------------------------- * Maps - Fixed a crash when loading the map infos, when starting the Custom Game menu. - Fixed issue when saving a game for a map which had multiple map layers, resulting in a crash when that game was loaded. * Miscellaneous - Fixed issue with getting a player's type (e.g. person, computer) through Lua, which caused problems with triggers. * Terrain - The snow transition graphics have been updated. - Added new snow decoration tiles.