index: Update the docker_cli/stop Configuration section

Signed-off-by: Lukáš Doktor <ldoktor@redhat.com>
Merge pull request #24 from ldoktor/stop2

dockertest.containers: Add get_unique_name function
Docker: added info subtest

Signed-off-by: J. C. Molet <jmolet@redhat.com>
Merge pull request #29