BUG: fix most linux warnings

...isionDetection/CollisionDetection/imstkTetraToTetraCD.cpp

Source/CollisionDetection/Testing/imstkOctreeBasedCDTest.cpp

Source/CollisionHandling/imstkBoneDrillingCH.cpp

...PbdConstraints/imstkPbdPointNormalCollisionConstraint.cpp

Source/DataStructures/Testing/imstkLooseOctreeTest.cpp

Source/DataStructures/Testing/imstkNeighborSearchTest.cpp

.../DataStructures/imstkSpatialHashTableSeparateChaining.cpp

Source/DynamicalModels/ObjectModels/imstkRigidBodyModel.cpp

Source/Geometry/Analytic/imstkOrientedBox.cpp

Source/Geometry/Mesh/imstkPointSet.cpp

Source/Geometry/Mesh/imstkSurfaceMesh.cpp

Source/Geometry/Testing/imstkSurfaceMeshTest.cpp

Source/Geometry/imstkGeometry.cpp

Source/Geometry/imstkGeometryUtilities.cpp

Source/GeometryMappers/imstkOneToOneMap.cpp

Source/GeometryMappers/imstkTetraTriangleMap.cpp

Source/MeshIO/imstkVegaMeshIO.cpp

...erer/RenderDelegate/imstkVTKSurfaceMeshRenderDelegate.cpp

Source/Scene/imstkPbdObjectCuttingPair.cpp

Source/SimulationManager/imstkScreenCaptureUtility.cpp