Phil Sphicas 13084e6407 Add xenial-based calicoctl-utility containers
The change adds new Dockerfiles to allow calicoctl-utility containers to
be built using ubuntu_xenial as a base, for consistency with the rest of
the utility containers.

Change-Id: Ib7cbb159a22e1a38645b747ad94dd30ebb25757a
2019-10-28 21:51:50 -07:00
..