Rename nonclassical -> album

Signed-off-by: Chris Lamb <chris@chris-lamb.co.uk>
Drop some dirname

Signed-off-by: Chris Lamb <chris@chris-lamb.co.uk>
Some cosmetic tidying.

Signed-off-by: Chris Lamb <chris@chris-lamb.co.uk>
Drop dir_name

Signed-off-by: Chris Lamb <chris@chris-lamb.co.uk>
Link the author name to the name its filed under.

Signed-off-by: Chris Lamb <chris@chris-lamb.co.uk>
Drop dir_name in classical.

Signed-off-by: Chris Lamb <chris@chris-lamb.co.uk>
Drop this column

Signed-off-by: Chris Lamb <chris@chris-lamb.co.uk>
Drop DirNameField

Signed-off-by: Chris Lamb <chris@chris-lamb.co.uk>
Filter

Signed-off-by: Chris Lamb <chris@chris-lamb.co.uk>
Tidy musicdb.db.fields

Signed-off-by: Chris Lamb <chris@chris-lamb.co.uk>
Misc tidying.

Signed-off-by: Chris Lamb <chris@chris-lamb.co.uk>
Tidy unicode.

Signed-off-by: Chris Lamb <chris@chris-lamb.co.uk>
Spacing

Signed-off-by: Chris Lamb <chris@chris-lamb.co.uk>
We can test this better.

Signed-off-by: Chris Lamb <chris@chris-lamb.co.uk>
Move out of models

Signed-off-by: Chris Lamb <chris@chris-lamb.co.uk>
Unused.:
No need to use get_tracks.

Signed-off-by: Chris Lamb <chris@chris-lamb.co.uk>
Move to manager.

Signed-off-by: Chris Lamb <chris@chris-lamb.co.uk>
Drop cover field.

Signed-off-by: Chris Lamb <chris@chris-lamb.co.uk>
Drop AbstractArtist

Signed-off-by: Chris Lamb <chris@chris-lamb.co.uk>