biergarten is validating
BACK command passes tests
all tests passing
greet from tree (not from syndicate config) if tree is present
cleaned up sample data, changed reset handler.  Prep for 'only one tree per user'
working on 'active flag indicates if user is subscribed'
active flag indicates if user is subscribed
working on 'respond with an error if we subscribe to two trees'
If we try to subscribe to two trees, remove the first one.