fixed documentation of clip(TinyVector) and relatives
fixed another typo in ForwardIteratorFacade
added vectorial_distance.hxx and tests
separableVectorDistance(): result vectors do not include possible pixel pitch
fixed clip(TinyVector) and added test
refactored boundaryMultiDistance()
added boundaryVectorDistance() and tests, refactored separableVectorDistance()
updated boundaryMultiDistance() Python bindings
added more tests
Merge branch 'gsoc-integration' of https://github.com/dagophil/vigra into gsoc-integration
added ShortestPathDijkstra::discoveryOrder()
added key_begin() and key_end() to iterate over the keys of a std::map (similar to Python's iterkeys)
added 'const' to MultiArrayView::view()
removed obsolete FIXME
added skeleton experiments
delegate: added license and URL
added VIGRA_FINALLY() and test
added get<N>(iter) for CoupledScanOrderIterator
added intial version of skeletonizeInterpixel()
added test image 'blatt.xv'