Updated openstack/openstack
Project: openstack/trove  55ca0d94a486efc2e96e9b612f7457c41b91814c

Document that H301 and H306 are ignored on purpose

As discussed in the trove team meeting on 2014-10-22, document that H301
and H306 are ignored on purpose.

Change-Id: If75b773e0c3637dcea036df6deb30877ec9c90e9