Issue #184 - Add an option to disable cover art download on 3G
I've added checkbox "Download cover art only on wifi" in cover settings.
It works exactly as it should. After switching covers wouldn't be loaded through 3G, only through wifi and from cache.
Merge pull request #205 from kzudov/cover_on_3G

Issue #184 - Add an option to disable cover art download on 3G