Update all Chinese audio file stubs and index to show title from mp3

- Delete all existing stubs under zh/radio/ and audio metadata files.
- Uploaded new audio files with title ID3 tags and deployed with
  updated rake deploy:audio task.
Updated Rules and zh/radio/index.html to work with merged audio metadata.

- Rules file now detects when audio metadata is alread embedded within the
  stub file and copies attributes under the :audio attribute for compatibility.
- zh/radio/index.html access embedded audio metadata rather than the external
  .yaml metadata files.
Update tasks/lib/audio_file.rb to correctly display Genre and Comments tags