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: Ic7686257725e1aa8e4e0d65a712eff1c079927a8
* Sort by command objects
* Drop the comparison to the project CLIs
* Minor updates to command help to match docs
Initially include the cross-API commands to establish the structure and format.
Change-Id: I77a7b3c89e088b66aa62941e29ce0b65b532285b