Make security_group_default_rules_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 security_group_default_rules_client use **kwargs.

Partially implements blueprint consistent-service-method-names

Change-Id: I809523507e77b2356fe79757d881b84243ecce1e
2 files changed