cool down improvements

- even if a task is always failing, don’t go into cool down unless it’s
failing rapidly.
Merge branch 'master' into hs_staging
Merge branch 'master' into hs_staging
fixing style issues
ignore build.json file
Merge pull request #227 from HubSpot/hs_staging

Cooldown improvements
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!
Use basepom 7
Remove deprecated Guava usage