The packages for python-keystonemiddleware available in 14.04 from the CloudArchive repo and in 14.10 from the official Ubuntu repo are the same (python-keystonemiddleware 1.0.0-1).
The packages for python- keystonemiddlew are available in 14.04 from the CloudArchive repo and in 14.10 from the official Ubuntu repo are the same (python- keystonemiddlew are 1.0.0-1).