I'm not sure if others will find this useful, but I use this
script to run pieces of devstack while trying to write/debug
things. It saves me a lot of time being able to get to some
project-lib function without a full clean/re-stack.
Figured I'd share in case it's worth putting into the tree.
Change-Id: I9a92fa71d34f50c2f5ba7d11c1a45301bd4478bf
