Add Notifications system

[ozFri]

Users should get a notification whenever: Someone votes on their statement Someone adds a statement relating to their statement Someone uses their statement in relation to other statement Someone uses their statement in an event? Someone posts on their statement page

http://stackoverflow.com/questions/12232304/how-to-implement-server-push-in-flask-framework

[Garbash]

Take a look at our most recently added activity stream feature. Might be part of the eventual solution