3DFaces/libigl_Martin: Extension of libigl which allows to also read the texture of wrl-files in Python as igl.read_triangle_mesh(wrFilePath, V, F, TC)

Martin Thümmel baa09d6385 Added wrl texture support.		%!s(int64=4) %!d(string=hai) anos
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CMakeLists.txt	baa09d6385 Added wrl texture support.	%!s(int64=4) %!d(string=hai) anos
main.cpp	b2e8d0b3d3 Sparse grid bfs (#942)	%!s(int64=6) %!d(string=hai) anos