Laurence/issue 40 new

[humorless]

• On session/activity pages, hide users that are :public-profile/hidden?
  • don't show them in the list
  • at the bottom say "n more", e.g. and 5 more
• On the session/activity -> link to user profile /user/:uuid
• Profile page
  • hide edit button unless it's your own profile
  • show public display name
  • show public bio (markdown)
  • show public links
  • if the user is connected (contact), show "contact card"
    • private name
    • private bio
    • private links