Update documentation for Acceptance tests use .md formatting
Update documentation for Acceptance tests use .md formatting

subutai-io/Subutai,subutai-io/base,subutai-io/base,subutai-io/base,subutai-io/Subutai,subutai-io/Subutai,subutai-io/base,subutai-io/Subutai,subutai-io/Subutai,subutai-io/Subutai