In the current doc, the command examples are like
"os server create" but the acutal command should
be started with "openstack" instead of "os", it
is misleading to first time users.
Change-Id: Ie67c0152d8ff8b7c456f91dc8b9a9164437ee9d1
server
server image
Some cosmetic changes in the command source, sorting classes, help strings, etc.
Change-Id: I3f68dae77b9fe02bc6866684e05aeff943dd9cc3