Socket store adapter

[mikermcneil]

Starting with just redis
https://github.com/balderdashy/sails-redis

Include Socket model in new projects which can be queried or written to like any model, and also configured to use any adapter.

[mikermcneil]

This is fixed by 2226824

[mikermcneil]

For posterity, in config/io.js:

module.exports.io = {
  adapter: 'redis'
};