OpenGL2: Remove and force r_softOverbright.
Replace deprecated alDopplerVelocity with alDopplerSpeedOfSound per OpenAL 1.1 spec
Add support for Bloom lighting to OpenGL1 renderer
OpenGL2: Fix pshadows for MDR models
Merge branch 'sdl2' of https://github.com/MAN-AT-ARMS/ioq3