Updated openstack/openstack
Project: openstack/swift  73b0df1ead6bbb19ba3c5c5b712a640d31d0b998
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Report transaction ID in failure exceptions

This way, when something fails in Jenkins, you have some chance of
searching the logs for the relevant transaction.

Change-Id: I3cf606cb4963e32b5c6ac3deda08e73541b3ff7d