Merge branch 'perf2' into 'master'

.gitignore

Examples/CreateEnclosingMesh/CreateEnclosingMesh.cpp

Examples/RCM/CMakeLists.txt

Examples/RCM/RCM.cpp

Examples/RCM/bandwidth.h

Source/Geometry/Analytic/imstkSphere.cpp

Source/Geometry/Analytic/imstkSphere.h

Source/Geometry/Map/imstkTetraTriangleMap.cpp

Source/Geometry/Mesh/imstkPointSet.cpp

Source/Geometry/Mesh/imstkPointSet.h

Source/Geometry/Mesh/imstkSurfaceMesh.cpp

Source/Geometry/Mesh/imstkSurfaceMesh.h

Source/Geometry/Mesh/imstkTetrahedralMesh.cpp

Source/Geometry/Mesh/imstkTetrahedralMesh.h

Source/Geometry/imstkGeometry.cpp

Source/Geometry/imstkGeometry.h

Source/Geometry/imstkGeometryUtilities.cpp

Source/Geometry/imstkGeometryUtilities.h