rebranding - audiodecoders

- rename extension point kodi.audiodecoder
- rename headers to kodi_audiodec_(types|dll).h
- adjust addons
rebranding for visualization addons
fix test app name
rebranding

- rename extension point kodi.vfs
- prefix vfs headers with kodi
- bump vfs addons
rebranding

- fix pvr headers for kodi
- bump pvr addons