Code style changes.

Signed-off-by: Jean-Yves Tinevez <jeanyves.tinevez@gmail.com>
Make TrackScheme rows a proper JViewPort row header view.

Signed-off-by: Jean-Yves Tinevez <jeanyves.tinevez@gmail.com>
Polish row header and move it.

Signed-off-by: Jean-Yves Tinevez <jeanyves.tinevez@gmail.com>
Proper row and column headers for TrackScheme.

Signed-off-by: Jean-Yves Tinevez <jeanyves.tinevez@gmail.com>
Let JGraphX handle zoom in TrackScheme.

Signed-off-by: Jean-Yves Tinevez <jean-yves.tinevez@pasteur.fr>
Merge pull request #43 from fiji/trackscheme-headers

Trackscheme headers