Implement DSL overriding

Summary

We should implement means to override (or specify) settings of a DSL file, e.g., overwriting the population size for an optimisation. This is helpful for evoaluation purposes and should be added to the command-line parameters:

-Oalgorithm.stopping-critera[type='de.evoal.optimisation.core.iteration-count'].maximum-iterations:=1000

The path specification should be the same than in the error reporting and then, it would be necessary to trigger the DSL parser for the given "attribute type".