Error if arguments are not supplied for rename commands

This changes behavior from:
$ cinder rename volume1
$

to

$ cinder rename volume1
ERROR: Must supply either display-name or display-description.

for both 'rename' and 'snapshot-rename'.

Change-Id: I675a3b1428a7fe10653394c80e4a5a473e14c740
Merge "Error if arguments are not supplied for rename commands"