Redis recipe changes

- Custom attributes
- Add redis config files to 'db_master' and 'solo' instances
Update delayed_job recipe
Update resque recipe

- Add recipe filtering on `node[:name]`
- Add partial queue config to handle higher priority queues only
Add resque-scheduler recipe filtering on `node[:name]`
Force timezone into local PST/PDT time
Change mysql email information
Add mysql custom configurations
Add memcached_cluster cookbook
Add couchbase cookbook
Decrease mysql slave backup frequency
Add whenever gem execution cookbook
Add mysql snapshot purging cookbooks
Add ensure_permissions cookbook
Update main recipe with custom cookbooks
Compat changes for our current chef configuration
Add sidekiq cookbook
Use application loop in sidekiq restart recipe
Implement proper bash logger syntax
Don't run cron on sidekiq instances