Per-profile copies of templates and static folder

If you have a "legacy" profile.json, add to it (for example)
"avatar":"/static/img/defaut-avatar.png"
(or some other image. static/img is also under sstore)
Note [Helena ;)] that there are no Stake House claims
in the template, but I'll whip something up and post it as a
gist or something. It's not "mainstream HiddenID" yet
(ZOMG, we have maintream now)