COMP: Clear more warning and clean up

Source/SimulationManager/VTKRenderer/imstkOpenVRCommand.h

...ulationManager/VTKRenderer/imstkVTKScreenCaptureUtility.h

...mulationManager/VTKRenderer/imstkVTKTextStatusManager.cpp

...SimulationManager/VTKRenderer/imstkVTKTextStatusManager.h

...ger/VulkanRenderer/imstkVulkanInteractorStyleFreeCamera.h

...onManager/VulkanRenderer/imstkVulkanInteractorStyleVR.cpp

...tionManager/VulkanRenderer/imstkVulkanInteractorStyleVR.h

Source/SimulationManager/imstkSceneManager.h

Source/SimulationManager/imstkScreenCaptureUtility.cpp

Source/SimulationManager/imstkScreenCaptureUtility.h

Source/SimulationManager/imstkSimulationManager.cpp

Source/Solvers/imstkConjugateGradient.cpp

Source/Solvers/imstkDirectLinearSolver.h

Source/Solvers/imstkIterativeLinearSolver.h

Source/Solvers/imstkNewtonSolver.cpp

Source/Solvers/imstkNonLinearSolver.cpp

Source/Solvers/imstkNonLinearSolver.h

Source/Solvers/imstkNonlinearSystem.cpp

Source/Solvers/imstkNonlinearSystem.h

Source/apiUtilities/imstkAPIUtilities.h