Native Audio Support, OneDrive inline reject, Refactoring

I've implemented Native audio playback support for: Opus (Ogg), WebA (WebM), Ogg, Wav, MP3. Just like the native video playback it will only show the inline audio control if the browser `probably` or `maybe` supports the format.

Added OneDrive to the reject list because the links where creating invalid expandos.

Some Minor refactoring by renaming non-specific `image` functions to `media`.