renderer: replace render buffer indices with queues
renderer: simplify code by always maintaining one front buffer
renderer: remove now pointless GetNext(Decode/Render) function
renderer: name present buffer structure to be able to reference it
renderer: store bypass format in rendermanager instead

The present method will be overwritten on each flippage
renderer: drop copies of variables, use queue data directly
renderer: grab presentlock in AddVideoPicture
renderer: use fence for determination when a buffer is ready for reuse
videoplayer: adapt lateness detection and dropping to buffering
video player: present correct pts to user for a/v sync (after buffering in renderer)
videoplayer: some rework and documentation
vdpau: redesign
vdpau: make interop gl default and remove setting, rename and intvert interop yuv
vdpau: drop studio level conversion
vdpau: observe ffmpeg tags for color space
vdpau: switch off de-interlacing on ff
vdpau: fix mp4 part2 decoding, activate by default
vdpau: re-add limited range conversion
linuxrenderer: drop method RenderMultiPass
linuxrenderer: implement progressive weave for vdpau