As an user I want to edit my profile so that I can keep my info up to date

[roalcantara]

• picture
• name:
  • required
  • max 100 characters
• username:
  • required
  • 6..10 characters
  • unique
• email:
  • required
  • 10..100 characters
  • unique
• bio:
  • optional
  • max 100 characters
  • unique