fix the glance client not refresh token issue

glance client is not refreshing the keystone token after expiration with
it's commit:
https://github.com/openstack/python-glanceclient/commit/dbb242b776908ca50ed8557ebfe7cfcd879366c8,
we need to patch this in our glance client to refresh the auth_token in
it's session head.

Closes-Bug: #1370402
Change-Id: I9c7a6620a587e855d7f9df8ad83450489daa8247