Merge pull request #182 from coryb/testing

make s3 image names unique in case simultaneous bakes with same package occur.
update release to 2.1.31-dev
Merge pull request #183 from coryb/testing

short circuit /usr/sbin/service on ubuntu
update release to 2.1.32-dev
Merge pull request #184 from coryb/testing

fix short_circuit code
update release to 2.1.33-dev
Merge branch 'testing' of github.com:Netflix/aminator into docker
fix syntax errors