Added RDB and NSQLookupd port exposure

Fixed timeouts and added environment

Modified NSQL service to support discovery sidekick:
Added NSQL discovery service
Added confd'd NSQ docker build files

Modified nsqd service to use the confd'd NSQ image
Added RDB sidekick
Added RethinkDB confd support
NSQ+confd logs cleared on container restart
RDB instance ignores itself on cluster creation

Exposed ports in the new container

Fixed the RDB 'healthcheck'
Fixed ConfigStore not setting options properly

Fixed app ports in Vagrant
IRCDD service uses confd

Fixed options

Added initial ircdd confd files
Added instance name to ircdd service
Service registration uses json
Added reg scripts to clodu-config
Merge pull request #92 from kzvezdarov/cluster-conf

Cluster conf