changed convexHull() to return points in clockwise order, starting with lowest point
started integration of Estaban's GSoC results
greatly improved fillPolygon() and test
moved polygon and convex hull tests to new directory
added lessEqualAtTolerance() and greaterEqualAtTolerance() and test
unittest.hxx: added should_impl() that takes error message as a std::string
changed Polygon::contains() to be consistent with fillPolygon()
gcc compatibility fixes
Polygon: added lots of tests (and a few fixes)
added ArrayVector::cbegin() and relatives
improved const-correctness of Polygon and its tests
renamed convexhull.hxx => convex_hull_features.hxx
Polygon: fixed bug in extract contour, added clear()
TinyVector: added front(), back(), cbegin(), cend()
added CoupledHandle::arrayView() and test
accumulators: added region contour features and tests
gcc compatibility fixes
ArrayVector: enabled 'push_back(front())'
added roundi(TinyVector)
Polygon: minor simplifications