History options for CLI

Run these commands to setup the baseline shots, then compare later on.  The workflow for this is using two configs, this is because these commands will only work if the labels for the domains are unique.

![hz1jwh0](https://cloud.githubusercontent.com/assets/1492067/4243360/95844f98-3a0b-11e4-8928-7202e9eea5a7.gif)