Fix mock glanceclient initialization
Fix mock glanceclient initialization

glanceclient 1.0.0 requires not empty endpoint url part before the
version part.

Change-Id: I14763f840d12b817026c94d9127b0b0351d7f7b1

hayderimran7/ec2-api,stackforge/ec2-api,openstack/ec2-api,hayderimran7/ec2-api,stackforge/ec2-api,openstack/ec2-api