Cleaning up code
Improving cleanliness of subsequent load() calls
resolves #5
Adding functionality to populate the digital path lists in ExtraData automatically. Need to create a per-machine user preferences file.
Implementing issue #7. Still need to make the paths more portable for the HTML output---the HTML should re-write the base of the path so that it might work, for example, over a LAN connection.
Script was broken because the current release add mechanism assumes that the catalog is loaded.
Merge branch 'ngs'. This code is working well enough that we can now
move away from 'musicbrainz2'. There are, however, edits I needed to
make to 'musicbrainzngs' which will need to be accepted upstream in
order to keep using it this way.