Make volume_quotas_client  use **kwargs

As we discussed on
http://lists.openstack.org/pipermail/openstack-dev/2015-July/068864.html
All http POST/PUT methods need to contain **kwargs as their arguments.
This patch makes aggregates_client use **kwargs.

Partially implements blueprint consistent-service-method-names

Change-Id: I58334c3dd6b740129a2d80d2a6dfa61b4548ae08
1 file changed