fix(settings): made env vars compatible with docker
fix(celery-beat): don't use pidfile; custom scheduledb path
chore(superdesk): Synchronize with superdesk
Merge pull request #29 from ioanpocol/master

chore(superdesk): Synchronize with superdesk
Merge pull request #28 from actionless/settings-docker-compat

fix(settings): made env vars compatible with docker