The new algorithm provides robust quality triangulations of non-convex
polygons. It also produces a best attempt for polygons that are badly
warped or self intersecting by minimising the area in which the local
normal is in the opposite direction to the overal polygon normal. It is
memory efficient when applied to multiple polygons as it maintains and
reuses its workspace.
This algorithm replaces implementations in the face and
faceTriangulation classes, which have been removed.
Faces can no longer be decomposed into mixtures of tris and
quadrilaterals. Polygonal faces with more than 4 sides are now
decomposed into triangles in foamToVTK and in paraFoam.
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