Adaptions to test with respect to new namespace model
Removed GMP/CLN and, where it was present, replaced by TTMATH
Small fix in comparable_distance test
All testfiles use bg as alias now
[SVN r66811]
-> added many testcases
Various updates in testcases for support of open polygons
recursive_boxes.cpp, added triangles as well (dropped corner)
[SVN r66450]
Made orientation for linear intersections flexible (because doesn't care)
There is now clipping (intersection box/geometry) for multi_polygon and multi_linestring
[SVN r65938]