Added rabbit configuration options to cinder

For those who have configured nova to use the non-default rabbit
configuration, will need to configure cinder with these settings.
I found it difficult to find these options, so wanted to be sure
they are easially available.

Change-Id: I4ff312105051b0db50c03759994834c0415b4ad9
Adds hyphens to trigger build.

Change-Id: I4f5dbe135a19ed85652c45cf6f1b970fc09cba53