Worked on CAD distance and related mesh optimization

CMakeLists.txt

contrib/HighOrderMeshOptimizer/CADDistances.cpp

contrib/HighOrderMeshOptimizer/CADDistances.h

contrib/HighOrderMeshOptimizer/CMakeLists.txt

contrib/HighOrderMeshOptimizer/OptHomCADDist.cpp

contrib/HighOrderMeshOptimizer/OptHomCADDist.h

contrib/HighOrderMeshOptimizer/OptHomObjContribCADDist.h

contrib/HighOrderMeshOptimizer/OptHomRun.cpp

contrib/HighOrderMeshOptimizer/OptHomRun.h

contrib/MeshOptimizer/MeshOptObjContribFunc.cpp

contrib/MeshOptimizer/MeshOptObjContribFunc.h

contrib/MeshOptimizer/MeshOptPatch.cpp

contrib/MeshOptimizer/MeshOptPatch.h

wrappers/gmshpy/gmshMesh.i