Loosen requirements to Rails 3.1 for now
Update to latest Rake version
Add 'hub' to the Hootenanny tables
Add Hub namespace to models
Move Correspondent to the Hub namespace
Move Requests to the Hub namespace
Move FeedStore to the Hub namespace
Move Feed to the Hub namespace
Move Verification to the Hub namespace
Move Topic to the Hub namespace
Move TopicSynchronizer to the Hub namespace
Move SubscriptionDelivery to the Hub namespace
Move PublishNotificationExpirationPolicy to the Hub namespace
Move Configuration to the Hub namespace
Move URI to the Hub namespace
Merge branch 'refactor/nest-current-features-under-hub-namespace'

* refactor/nest-current-features-under-hub-namespace:
  Move URI to the Hub namespace
  Move Configuration to the Hub namespace
  Move PublishNotificationExpirationPolicy to the Hub namespace
  Move SubscriptionDelivery to the Hub namespace
  Move TopicSynchronizer to the Hub namespace
  Move Topic to the Hub namespace
  Move Verification to the Hub namespace
  Move Feed to the Hub namespace
  Move FeedStore to the Hub namespace
  Move Requests to the Hub namespace
  Move Correspondent to the Hub namespace
  Add Hub namespace to models
  Add 'hub' to the Hootenanny tables
Move the Feed classes back out of the Hub namespace since they will need to be shared with the Client
Whitespace
Add the client subscription object
Add the client's subscription request object