transcoder: add new replacementDic property
transcoder: add new replacementDic property

%outputFileName% combines together several other factors to produce the
appropriate output filename. Many scripts were doing this individually
already; this makes writing new scripts a bit more user-friendly for
end users.

refs #5748

artefactual/archivematica,sevein/archivematica,eckardm/archivematica,eckardm/archivematica,sevein/archivematica,michal-ruzicka/archivematica,michal-ruzicka/archivematica,sevein/archivematica,artefactual/archivematica,artefactual/archivematica,michal-ruzicka/archivematica,sevein/archivematica,eckardm/archivematica,eckardm/archivematica,michal-ruzicka/archivematica,artefactual/archivematica