FEAT #13679 TIME 2 Use config.xml in visa script + docker + doc + move to bin folder

apps/maarch_entreprise/xml/config.xml.default

bin/signatureBook/batch_tools.php

bin/signatureBook/process_mailsFromSignatoryBook.php

.../scripts/retrieveMailFromExternalSignatoryBook.sh.default

migration/20.10/migrate.sh

migration/20.10/migrateNotificationsConfig.php

migration/20.10/migrateRemoteSignatureBookConfig.php

modules/visa/batch/config/config.xml.default

.../scripts/retrieveMailFromExternalSignatoryBook.sh.default