A lot of modules require python-yaml. Be conservative requiring this
package to avoid conflicts when two or more of these modules end up
being used on the same host.
Change-Id: I35bf4f1070e6f248734c593e9277b737166904c1
Reviewed-on: https://review.openstack.org/13688
Reviewed-by: James E. Blair <corvus@inaugust.com>
Reviewed-by: Paul Belanger <paul.belanger@polybeacon.com>
Approved: Monty Taylor <mordred@inaugust.com>
Reviewed-by: Monty Taylor <mordred@inaugust.com>
Tested-by: Jenkins
607f653a9e