[mythtv] small patch for mythmusic

[Emmanuel Anne]

... to be able to read id3v1 tags, it's too bad not to read them when the
lib used in mythmusic can read them directly without converting the files !
(too bad you are obliged to either clear all the tables used by mythmusic or
touch all the files to force the collection to be rebuilt... there should be
something somewhere to be able to do it...).

+ it changes the playlist display from "Artist ~ title" to "Artist - Album -
Title" (which makes the view sorted by album actually useful !).
Sorry I'll just attach the patch to the mail, it's very short, so it's not
worth playing with the web interface...
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