Update Oculus Rift software link.

Update REV_CAPI_Audio.cpp

Revive: Load 11on12 dynamically.

Revive: Add mirror and blitting texture support for D3D12 through 11on12.

Update appcast.xml

Revive: Don't attempt to wait multiple frames.

Update version.h

Update appveyor.yml

Overlay: Add tray tool to create injector shortcuts on desktop.

Revive: Handle Vulkan image barriers for external textures

Revive: Only enable sharing for profiler and mirror textures

Revive: Fix validtion warning about missing caps extension

Revive: Add support for MSAA OpenGL texture swapchains.

Revive: Resolve D3D12 textures before submitting.

Revive: Allow multisampled texture swapchains.