Updated openstack/openstack
Project: openstack/sahara  e6d6b16a0ba51a59e40f9c68c6eb7586e4f065e8

Small fixes in README migration file

* Rename file to README.md. This needed to correctly display file on github
* Many style fixes

Change-Id: Ic57a2184817f9df16451b8fce784585039f92d6f