(issue1596) Sort Export of Middle bedHeight This simplyfies internal Data storage by removing the ArrayList wrapper. Usually this is a list of size 1. The data list of which each member is a distinct sounding is then sorted by description or first indexed KM. Afterwards the km index is mapped in a sorted map to export it in order of km and not in oder of index

<?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>