Fix trust-based connection building
Fix trust-based connection building

This patch fixes the trust-based authentication through SDK to other
services.

Change-Id: Ia267f3fda2b087da1934a58a9f4018d89513036e

tengqm/senlin-container,openstack/senlin,stackforge/senlin,openstack/senlin,Alzon/senlin,openstack/senlin,Alzon/senlin,stackforge/senlin,tengqm/senlin-container