Document the weird libvlc subtitle id fixes
Document the weird libvlc subtitle id fixes

Document the magic so that everyone knows why things are the way they are. Additionally fix the logic to remain working on fixed libvlc versions.

panzi/phonon-vlc,panzi/phonon-vlc,KDE/phonon-vlc,BinChengfei/phonon-vlc,KDE/phonon-vlc,BinChengfei/phonon-vlc,KDE/phonon-vlc,BinChengfei/phonon-vlc