StationData.cs
. add class method CopyFrom()

ZugfahrplanEditorStatic.cs
. add class method SwapStationData()
comment debug
add display of train
TrainData.cs
. add class method CopyFrom()

StationData.cs
. do not copy id

LevelGeneratorStatic.cs
. add class method GetANewTrainID()

ZugfahrplanEditorStatic.cs
. add class member m_TrainStartIndex
. add class member m_TrainNumInPage
. add Previous page of train data
. add Next Page of train data
. add MoveUp of train data
. add MoveDown of train data
. add Remove of train data
. add class method SwapTrainData()
LevelGeneratorStatic.cs
. add class method RemoveStation()
. add class method RemoveTrain()