testing, issue #776: Ensure docker-ci test docker code as it was at commit time
Merge pull request #1132 from dotcloud/776-testing-commit

testing, issue #776: Ensure docker-ci test docker code as it was at commit time
testing, issue #775: Add automatic testing notifications to docker-ci
Merge pull request #1133 from dotcloud/775-testing-notifications

testing, issue #775: Add automatic testing notifications to docker-ci