cleanup info/restart/rebuild

Add redis port options
refined restart/rebuild/getInfo
update iron:router, additional returns
Add indexes, method cleanup
README updated, restore state/pid
Support for multiple hostnames
Only getInfo on hosts that are active

mark status=Error and active=false for down hosts.
Simplified initial docker connection, redis
suppress connection notification
Merge pull request #57 from ongoworks/v0.2.6

V0.2.6