Add new row if element of top row moved up
Remove row if empty
Failure fixed: OutOfIndexException thrown by
MoveUp/MoveDownNeighbourhood
Validation from NeighbourhoodFactories removed
Solution validation moved from OptimizationStrategy to Neighbourhood
Some classes added
Size of VisualizationArea fixed
set marker of changed elements
Layout changes
Column added, Rows removed
Add row to solution
set method "isChanged" to public
Resolve compilation problems
refactor name of position
Refactor solution validator
Refactor Column and Row handling of solution
errors of basic funktions fixted
Add some Tests
Column concept removed