4a80e99da5deab774cdb62246cc7f5c8d4d8b9d0

This change add a new macro to the NewChange mail template. The $email.UnifiedDiff is expanded to a unified diff of the patch. Change-Id: I9c72cc7129adb9aae4f8168e7bba9215aa6ced3c
Description
RETIRED, Gerrit as used by OpenStack