chore(mc): Port Bug 1482422 - Use UTF-8 character set instead of ASCII when reading Activity Stream scripts with `mozJSSubScriptLoader`. r=mconley (#4335)
chore(mc): Port Bug 1482422 - Use UTF-8 character set instead of ASCII when reading Activity Stream scripts with `mozJSSubScriptLoader`. r=mconley (#4335)


mozilla/activity-stream,rlr/activity-streams,sarracini/activity-stream,mozilla/activity-stream,rlr/activity-streams,AdamHillier/activity-stream,Mardak/activity-stream,mozilla/activity-stream,AdamHillier/activity-stream,mozilla/activity-stream,mozilla/activity-streams,rlr/activity-streams,sarracini/activity-stream,Mardak/activity-stream,Mardak/activity-stream,AdamHillier/activity-stream,Mardak/activity-stream,sarracini/activity-stream,rlr/activity-streams,sarracini/activity-stream,mozilla/activity-streams,AdamHillier/activity-stream