Updated: README
Issue [#786736] by jonskulski: Pass all ID3 data into theme function.
Issue [#936032] by joachim and univate: Moved loading of JS to theme function.
Issue [#880050] by univate and joestewart: Configurable library location, more efficient checking of files.
Issue [#356253] by Max K.: Using files from private filesystem.
Issue [#1038648] by VladSavitsky: Moved javascript to footer.
Issue [#574656] by zzolo: Fixed issue with inline javascript.
Added: Ability to suppress cache messages for production sites.
Issue [#574656] by zzolo: Fixed JS Issues.
Issue [#542888] by tomws: Updated wrong code example.