nova flavor-set cli sample has wrong parameter

In one sample of nova flavor-set, 10MB is 10485760 bytes,
instead of 10240000

Change-Id: Iae02cbe90f5b04d7b3c1d547aa20db83e283f101
Keystone ADMIN_TOKEN autogenerated

If the user doesn't enter one using Debconf, then the Debian
package will automatically generate a ADMIN_TOKEN. This
needed to be properly documented, which is what this patch
does.

Change-Id: Ide85feb9c7bae233563a653c2be0a85609e33697
Merge "Keystone ADMIN_TOKEN autogenerated"
Merge "nova flavor-set cli sample has wrong parameter"