Upgrade sails to 0.9.3 and pulldash to v0.4

This is the 0.9.3 migration.

### What is new
* Sockets now use redis for MQ (message queue) so the heroku app and any other apps keep the real-time changes synced
* Now uses a database to track pulls instead of the dirty-disk database.
* Uses redis for persistent sessions
* Uses the same checks passport uses when authenticating sockets
* package.json has real info in it now.