Explicitly add json content header to backup script
Explicitly add json content header to backup script

mozilla/MozDef,jeffbryner/MozDef,mpurzynski/MozDef,jeffbryner/MozDef,mpurzynski/MozDef,mpurzynski/MozDef,mozilla/MozDef,jeffbryner/MozDef,mozilla/MozDef,jeffbryner/MozDef,mpurzynski/MozDef,mozilla/MozDef