Use certified Ubuntu image, instead.
dont assume there are always required admin fields when creating
a cluster.
updating changelog.
Merge pull request #409 from continuuity/feature/handle-empty-admin-required

dont assume there are always required admin fields when creating
checkstyle fixes.
Merge remote-tracking branch 'origin/develop' into feature/joyent-certified-ubuntu
Certified Ubuntu images use the ubuntu user
Update Joyent to use sudo for non-root users, since official Ubuntu images use ubuntu user
Add more regions to Joyent
Sleep on delete, since Joyent deletes are slow
Don't display empty password
First version of /dev/vdb mounting
Make sure the content type is json when returning single objects.
Merge pull request #410 from continuuity/feature/joyent-regions

Add more regions to Joyent
Merge pull request #411 from continuuity/feature/json-content-type

Make sure the content type is json when returning single objects.
renaming admin module to spec since it contains more than just
admin entities. Also grouping related specifications together.
Typo fix
fix checkstyle problems caused by refactor.
Merge pull request #415 from continuuity/feature/organize-specifications

Feature/organize specifications
Merge pull request #416 from continuuity/feature/joyent-certified-ubuntu

Feature/joyent certified ubuntu