Fix name of default_container_image
Ship to many hosts at once. (Saves on builds.)
Type error.
Debug logging for full task info.
Handle new CGroups layout in Docker 0.10
These stats are unobtainable on of our clusters.

There was a Docker version change but it's not clear that this is the cause.
Expose extra Mesos ports if they are available.

They should show up in $PORT when launch with Marathon.