Implement help for docker update script.
Implement help for docker update script.

johnbachman/belpy,sorgerlab/belpy,johnbachman/indra,johnbachman/belpy,sorgerlab/indra,bgyori/indra,sorgerlab/belpy,sorgerlab/indra,johnbachman/indra,bgyori/indra,johnbachman/indra,sorgerlab/indra,johnbachman/belpy,sorgerlab/belpy,bgyori/indra