Fix Waterlevel description for issue1404 There might be a case for the wq_single description instead of getValueFromWQ but this works for a single W value and multiple W values and was the code formerly used for PDF export.

<?xml version="1.0" encoding="UTF-8" ?>
<datacage>
    <user>SA</user>
    <password/>
    <driver>org.h2.Driver</driver>
    <url>jdbc:h2:${artifacts.config.dir}/../datacagedb/datacage</url>
</datacage>