Importer (s/u-info) extensions: flow-depth: uniform formatting of from-to series names, warning instead of cancelling in case of missing column values, detecting, logging and skipping columns with wrong unit, better counting of inserted/updated values for each column

<?xml version="1.0" encoding="UTF-8" ?>
<rest-server>
    <!--  The port which the ArtifactDatabase (ArtifactServer) will bind to. -->
    <port>8181</port>
    <listen>localhost</listen>
</rest-server>