docs: Fix merge conflict
docs: Basic documentation for pbuilder setup.
http: Only require Tornado >= 2.3
http: Fix path to socket object
Fix Mopidy version when run from another Git repo (related to #706)
http: Add missing string interpolation placeholder
docs: Update changelog
Bump version to 0.19.1
Release v0.19.1
Merge tag 'v0.19.1' into debian

Release v0.19.1
debian: New upstream release