This change adds the ability to do --tail and --since on docker service
logs. It wires up the API endpoints to each other and fixes some older
bugs. It adds integration tests for these new features.
Signed-off-by: Drew Erny <drew.erny@docker.com>
Upstream-commit: 8dc437bd9b474c24a2cf802c2779dace2f91194a
Component: engine