Merge branch 'hotfix'
Merge branch 'hotfix' into develop
case 3197 - Ability to invoke covers not only via http request.
Merge branch 'case-3197' into develop
Merge branch 'develop'
Release: v1.15
Merge branch 'master' into develop
case 3213 - Improve cron job.
Merge branch 'case-3213' into develop

* case-3213:
  case 3213 - Improve cron job.
case 3488 - Minified watchdog message.
Merge remote-tracking branch 'origin/case-3488' into develop
Merge branch 'develop'
Release: v1.18
Merge branch 'master' into develop
Hotfix: check also the owner value.