docs: Update txomon's mail address
docs: Merge license page into authors page
docs: Add howto for updating Debian packages
docs: Fix syntax error
docs: Simplify Arch install docs
Advertise MPD with Avahi

A rudimentary implementation to resolve #39, ignoring dbus errors (just restart), name collisions (choose a fresh name), etc.
docs: Strip commands and unchanged configs
docs: Add manpages for all commands
docs: Remove wrong arguments for mopidy-convert-config
deps: Don't strip last dir from dependency path
Fix track_no
Remove debug, make track_no more robust
Merge branch 'fix_track_no' into develop
Support 'list albumartist'
Add tests for albumartist
Fix flake8 errors and add a few more tests
mpd: Check if track.album exists before using it
Merge branch 'feature/list_albumartist' into develop
travis: Ignore <python:all> in apt-cache output
docs: Update changelog