Dud - with constraints: define constraints in parameter space

[theavuik]

At the moment, the parameterConstraints of Dud is specified in terms of deltaParam. To get the correct constraints in the parameter space, users have to determine the required parameterConstraints based on the initial values of the actual parameter and the desired constraints. As a result, when users want to calibrate a model from a different set of initial parameters (e.g. users would like to run Dud starting from the results of a previous calibration), users have to modify parameterConstraints accordingly. When working with a lot of parameters, this is not simple to do. NOTE: not modifying the parameterConstraints may lead to the issue that Dud will start searching in the space outside the intended constraints. See for example Firmijn's case:
Suggestion for improvement: let Dud work with constraints that are defined in the actual parameter space. Hence, users can use Dud with different initial values of the actual parameters without having to modify the parameterConstraints.

This issue is a duplicate of JIRA issue https://issuetracker.deltares.nl/browse/ODA-646, which will now be closed.