* starting with filtering for exit codes. `docker ps -a --filter 'exited=1'`
* API doc for filter parameter
* formatting filters for help usage
* tweaks for review
This requires https://github.com/dotcloud/docker/pull/4430
Docker-DCO-1.1-Signed-off-by: Vincent Batts <vbatts@redhat.com> (github: vbatts)
Upstream-commit: b1aa5d84a7
Component: cli