New Features:
- ABI:
- Add MSBuild project files
- GamerServices/Net namespaces now reference the FNA.NetStub library
- Update to FAudio 19.03
Fixes:
- SpriteBatch: Non-immediate batches now use Discard when updating the vertex buffer
- OpenGLDevice: Clamp glPixelStorei alignment for texture uploads to 8, per the GL spec
- SDL2_FNAPlatform: Fix a possible crash on ShowRuntimeError when title/message are null