Add ContainerInfo and DockerInfo support for deploy objects

Fixes #204
Add support for Mesos TaskInfo 'arguments' field
Documentation for containers!
Documentation for 'arguments'
Add tests!
Merge pull request #220 from stevenschlansker/docker-container

Add ContainerInfo and DockerInfo support for deploy objects
Fix link to dev docs
Added error message for 0 status
Merge pull request #13 from HubSpot/master

Merge from hubspot