Hotfix 1.4.15

NEW: Added checkmark in editor for rush hour initial stations in schedules

UPDATE: Allocated switch next to free track can now be deallocated with right click
UPDATE: Localizations (cs: tutorials; de: tutorials, ui; fr: ui; ja-JP: ui; zh-Hans: ui)

FIX: Finishing Rush Hour wave 10 displayed wave 11/10
FIX: Keybind could contain the same modifier key twice
FIX: Trains could be accepted on platforms without a sink