trimesh2++

A C++ style adaption of trimesh2 (branching from version 2.11)

Please see newest version of original trimesh2

ChangeLog

• Read COFF format in TriMesh::read()
• Add new class TetMesh
• Add tight packed data block for vertices and normals
• Add TriMesh::faceareas, TriMesh::edgelengths
• Fix a bug in XForm::read()
• Fix a bug in computing TriMesh::cornelangle()
• add Makedefs using Intel Compiler
• name scope restriction: access classes by trimesh::