VulkanSceneGraph 1.0.2 maintenance release

The main fix that justified this release was a fix of a race condition in vsg::CompileManager, also included are improvements in full screen support on macOS, and the addition of vsg::fileType(Path) and vsg::getDirectoryContents(Path) functions. Further details of changes be found on discussion thread :#645.

VulkanSceneGraph 1.0.1 maintenance release

Bug fixes and refinements.

VulkanSceneGraph-1.0.0 release

Vulkan now has professional grade Scene Graph that can handle the needs of vis-sim, scientific, engineering, GIS, compute and games markets, making it easier to use Vulkan and get the best performance from it.