Be sure the generated build directory is cleaned when required
Be sure the generated build directory is cleaned when required

ljo/messaging-replication,dizzzz/messaging-replication,eXist-db/messaging-replication,ljo/messaging-replication,eXist-db/messaging-replication,dizzzz/messaging-replication,eXist-db/messaging-replication,ljo/messaging-replication,dizzzz/messaging-replication