Fix unused import
Add .mailmap to clean up commit author list
packaging: Make wheels universal
ext: Remove env check as Mopidy checks deps automatically
ext: String formatting
setup: Require Mopidy >= 0.18
ext: Use new setup(registry) API
backend: Use new Backend API location
docs: Update changelog
Merge pull request #15 from mopidy/mopidy-0.18-updates

Mopidy 0.18 updates
Ensure all files are packaged on PyPI
Release v1.1.0
Merge tag 'v1.1.0' into debian

Release v1.1.0
debian: New upstream release