Ubuntu on EC2

Merge proposals dependent on lp://qastaging/~philroche/ubuntu-on-ec2/ec2-publishing-scripts-incorrect-release-label

  1. ec2-publishing-scripts-incorrect-release-label
  2. Dependent merge proposals

lp://qastaging/~philroche/ubuntu-on-ec2/ec2-publishing-scripts-incorrect-release-label has no merge proposals.