Added support code for the dependent maintenance protocol as component in phase 2.
Added support code for the dependent maintenance protocol as component in phase 2.

clasp-developers/SICL,clasp-developers/SICL,vtomole/SICL,vtomole/SICL,vtomole/SICL,clasp-developers/SICL,vtomole/SICL,clasp-developers/SICL