Operator shelf edit form (bug 1074431)

r? @ngokevin @cvan @spasovski 
what about non-English peeps? I would use the translate filter:

`obj.name|translate(this)`

function: https://github.com/mozilla/fireplace/blob/4aac262a2/src/media/js/commonplace/utils.js#L142-L168
usage: https://github.com/mozilla/fireplace/blob/4aac262a/src/templates/detail/main.html#L89