Add possibility of returning topics with a "create" time.
Adds a number of calls useful for managing subscriptions (say, a UI)
Adds ability to get "subscription state" to allow easier caching of subscriptions for callback.
Add support for subscription caching - avoid database hit on all notifications, if configured.
Fix datastore subscription select methods.
Add datastore method for selecting host subscriptions.
Unused import.
Add beginnings of admin interface based on Foundation + ST
Add boolean method for checking active subscriptions
Add method to get active topics
Modify keys to include status
Add call to expire a subscription by id
Add foundation icons.
Add logo
Pretty much working subscription management. A few tweaks still required for status changes.
Convenience method added to Subscription.
Tweak subscription update - default selections make sense (I think)
Redo callback metrics...
 - Use caches for metrics - simplifies logic & prevents explosions
 - Track metrics per subscription and host
 - Hub owns callback metrics
 - Add servlet to report metrics for hosts, subscriptions
Add metrics admin page
Add ability to show detailed metrics
Add ability to show metric detail for subscriptions
Only report verified if, well... the subscription was verified & it was not previously active.
Add documentation
Add working subscription add - error handling is not great, but it works.
Add pagination for subscriptions
Add paging to subscribers & topics