Re-work redis instantiation script

[nelsonic]

In light of our improvements in: https://github.com/dwyl/hapi-socketio-redis-chat-example
guided by: http://stackoverflow.com/questions/31290687/how-to-instantiate-multiple-redis-connections-for-publish-subscribe-node-js-n

We can now complete re-work on using Redis as primary datastore!
relates to: #42

[nelsonic]

see: https://github.com/dwyl/redis-connection

[nelsonic]

This issue is no longer relevant in light of switch to PETE stack. No longer using Redis.
See: https://github.com/dwyl/technology-stack#the-pete-stack