Merge branch 'master' into mtgjson-importer
Add settings fields for pic urls
Use picUrl templates to download cards.

Add HQ card option
Merge branch 'mtgjson-importer' of https://github.com/Daenyth/Cockatrice into Daenyth-mtgjson-importer
Merge branch 'Daenyth-mtgjson-importer' into mtgjson-importer