Updated package.json to fix ETIMEDOUT after a period of inactivity.

Updated package.json to update depenencies version of redis to 0.11.x order to have socket_keepalive to set keep-alive on socket preveting ETIMEDOUT after a period of inactivity. Also, bumped version.

Related issues on node_redis: 
- https://github.com/mranney/node_redis/pull/570
- https://github.com/mranney/node_redis/issues/530

On a sidenote this version brings also: (https://github.com/mranney/node_redis/blob/master/changelog.md)
- IPv6 Support. (Yann Stephan)
- Revert error emitting and go back to throwing errors. (Bryce Baril)
- Set socket_keepalive to prevent long-lived client timeouts. (mohit)
- Correctly reset retry timer. (ouotuo)
- Domains protection from bad user exit. (Jake Verbaten)
- Fix reconnection socket logic to prevent misqueued entries. (Iain Proctor)