WaterLineArtifact: Added callcontext-parameter to interfaces getWaterLine. Update all implementations. The change was done to be able to compute the extreme values during getWaterLine to access data needed in CrossSectionProfile Diagrams.

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