Add The Factory to list of Marathon users
Add go client
Merge pull request #415 from jbdalido/feature/goclient

Add go client to README
Merge pull request #414 from mbabineau/master

Add The Factory to list of Marathon users
Add updated HAProxy script
Test if port is present
Adds disk and env to AppUpdate.

- Disallows parallel test execution
- Makes ContainerInfo a case class
- Fixes #423
Serialization tests for AppUpdate
Merge pull request #424 from mesosphere/issue-423-AppUpdate-completeness

App update completeness
Concludes merge: 0.7.0-preview