Merge branch 'RemoveVulkan' into 'master'

CMake/External/External_Vulkan.cmake

CMake/External/External_glfw.cmake

CMake/External/External_gli.cmake

CMake/FindVulkanSDK.cmake

CMake/Findglfw.cmake

CMake/Findgli.cmake

CMake/iMSTKConfig.cmake.in

CMakeLists.txt

README.md

Source/Rendering/CMakeLists.txt

.../VulkanRenderer/PostProcessing/imstkVulkanPostProcess.cpp

...ng/VulkanRenderer/PostProcessing/imstkVulkanPostProcess.h

...enderer/PostProcessing/imstkVulkanPostProcessingChain.cpp

...nRenderer/PostProcessing/imstkVulkanPostProcessingChain.h

...derer/RenderDelegate/imstkVulkanCapsuleRenderDelegate.cpp

...enderer/RenderDelegate/imstkVulkanCapsuleRenderDelegate.h

...Renderer/RenderDelegate/imstkVulkanCubeRenderDelegate.cpp

...anRenderer/RenderDelegate/imstkVulkanCubeRenderDelegate.h

...enderer/RenderDelegate/imstkVulkanDecalRenderDelegate.cpp

...nRenderer/RenderDelegate/imstkVulkanDecalRenderDelegate.h