Changelog:

• Fixed a critical bug where some users were no longer invited by the main station when the Christmas event was active
• Fixed an error that routes for the Christmas shuttles were doubled in the farm file, so that two rounds could not be described
• The IBIS codes can now be found on help arrows at the Christmas shuttle's starting points
• In the area of the Altstadtforum, the connecting street now loads even if the graphic settings are very low
• Other minor adjustments