/set profile
* New functionality to set meta data on businesscards. * Can develop a user profile. * Business cards link to user profile.
* Incorporate prop scaling * Props now render to a canvas
* make guest status a flag on users * add logout handlers * add logout notification for other users
Now we have a concept of an avatar at the server, realm, and scene level and we have the groundwork for a realm store. New uesrs no longer props, they get a default avatar. New system supports gender {male,female,neutral} and {child,adult}.
