Setup pushState
Add body-parser and lodash as dep
Add dumb create endpoint for messages
Another dump endpoint for updating
Break down async vote action into three possible actions. Optimistically vote.
Depend on events
Refactor how the initial asyc fetch is performed.

The threads Backbone collection within the ThreadStore is now a clientside
only collection that does not communicate with the server. The ThreadStore
is a thin wrapper around the Backbone collection, for now. This just gives
me the helpers associated with a BB collection.