travis: Allow installing mopidy==dev with pip 1.5
travis: Simplify apt-get install
Fix dependency on pyspotify so 2.0.0a1 isn't installed
Release v1.1.1
Extract wait_for_object_to_load() helper
Wait for track to load before playing it

Fixes mopidy/mopidy#675
Release v1.1.2
Merge tag 'v1.1.2' into debian

Release v1.1.2
debian: New upstream release