Use dind v3 to force Docker 1.3
Merge pull request #33 from ibuildthecloud/dind-v3

Use dind v3 to force Docker 1.3
[Issue #31] fix cpu set tests
Merge pull request #32 from sidharthamani/issue31

[Issue #31] fix cpu set tests
Deal with a null command
Merge pull request #35 from ibuildthecloud/master

Deal with a null command
Send IP address as a resource
Make docker tests on by default