Add new dumux messages.

What this MR does / why does DuMux need it:
This MR add more dumux messages which can be displayed in the beginning and the end of a simulation.
See #1331 (closed)

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• does the new code follow the style guide?
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• is the code you changed and/or the new code you wrote covered in the test suite? (if not, extend the existing tests or write new ones)