Equipement is currently unused. Let it empty without TODO comment.
Rename variables related to UNITE_LOCATIVE former SURFACE CLASSE
accordingly.
Comments corrected from SURFACE to UNITE_LOCATIVE
Code clean up plus added generation of a warning message to the end-user
if a configured ACTOR default by name cannot be found.
For prestations list: Added restriction on PROPRIETAIRE, CLASSE and
strict restriction on OBJECTIF, starts-with being not correct in all
cases.