Making default path to save HTML configurable. Need to decide how to access the cover art from other paths (copy it? refer to original URL?).

Signed-off-by: Ryan Helinski <rlhelinski@gmail.com>
Adding function to create a label track file of a release for Audacity. Have not tested with multi-disc releases.

Signed-off-by: Ryan Helinski <rlhelinski@gmail.com>