virsh: alphabetize domain commands in man page

It appears that all commands were originally fully in alphabetical order
but as new commands were added, they were sometimes inserted out of
order.  Fix up all domain commands so that they're in alphabetical order
again.
Signed-off-by: NJonathon Jongsma <jjongsma@redhat.com>
Reviewed-by: NMichal Privoznik <mprivozn@redhat.com>