http://edx.readthedocs.org/projects/edx-installing-configuring-and-running/en/named-release-dogwood.rc/ecommerce/install_ecommerce.html
, Ned told me about a question that came up (on Slack I think) from someone who found exactly the doc they needed, but then couldn't figure out how to get started . I think this is just a bug, so will recategorize accordingly.