The `repository:shortid` syntax for referencing images is very little used,
collides with with tag references can be confused with digest references.
The `repository:shortid` notation was deprecated in Docker 1.13, and scheduled
for removal in Docker 17.12.
This patch updates the deprecation status for this feature.
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
(cherry picked from commit 1a21ca12a6)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
0ba5b1beec