* debian/patches/lp-1411582-azure-udev-ephemeral-disks.patch: - Use udev rules to discover ephemeral disk locations rather than hard-coded device names (LP: #1411582). * debian/patches/lp-1470880-fix-gce-az-determination.patch: - Correctly parse GCE's availability zones (LP: #1470880). * d/patches/lp-1470890-include-regions-in-dynamic-mirror-discovery.patch: - Make %(region)s a valid substitution in mirror discovery (LP: #1470890). * Remove python-serial from Build-Depends; it was mistakenly added last upload.