Update README to match latest recommendations
Require Mopidy >= 0.18
Remove module docstring copied from an old Mopidy extension
Remove dependency check done by Mopidy
Use new extension setup() API
Use new backend API locations
Use loggers namespaced to mopidy_subsonic.*
Fix most flake8 warnings
Include ext.conf in releases
Updated README.rst to reflect 0.2 changes
Update to 0.3
Update readme for 0.3