3307549a0f
image.patch returns a JSON schema Draft 10 (application/openstack-images-v2.1-json-patch) while the glaceclient update method specify a Content-Type header application/openstack-images-v2.0-json-patch with correspond to a JSON schemea Draft 4. Fixes bug 1206095 Change-Id: I8c5a96f0e117a81b5b527a96ef45758fc69b518d