- removed pascal_voc_2012.py file
- removed non-sense code for test dataset and replaced it with a message stating that the code is not available
- BUGFIX: show silhouette images only in the segmentation case
- BUGFIX: set "borders" to zero only in the segmentation case
- BUGFIX: flatten only the image-related dimensions of the silhouette and keep the sample index
- BUGFIX: nonsense asserts corrected. How could they even pass!? :)
- BUGFIX: save dataset as topological view, don't use X!!