Update the command list
Update the command list

We've been making changes to the commands.rst file as we
add command docs, looks like we missed a few.

Also fixed a few typos

Change-Id: Ie93280a7e5ba37303a1984a68870b5a4fc5c6e06

openstack/python-openstackclient,BjoernT/python-openstackclient,dtroyer/python-openstackclient,dtroyer/python-openstackclient,openstack/python-openstackclient,redhat-openstack/python-openstackclient,BjoernT/python-openstackclient,redhat-openstack/python-openstackclient