add info about storage operations and modeling
remove some gems

* cabin is being replaced by celluloid incident logger.
* persistence will move to a handler.
* reel now has octarine routing support built in.
use local/head versions of celluloid gems
remove celluloid_ext

These are now in celluloid-zmq
update celluloid syntax

Celluloid::Group -> Celluloid::SupervisionGroup
use new async call syntax