First draft of registration checkin code

Using fancy javascript frameworks, and ignoring ZK normal structure.
Currently search works.
Data display doesn't.
All actions don't.

Changes to ancillerary files include:
  Routing to allow checkin/<action>
  Fulfilment got a barcode entry + alembic change
  Person had fullname upgraded to a pretend column
 * Change all references to Person.fullname() to Person.fullname