Started with renaming the involved Rwxxxx properties and classes to Regionalxxxxx to improve naming. For the results classes I've put each class in its own file. Related to Issue [MWDAM-1108]
Added other evaluators too (including tests) because AquitardEvaluator is used by HydraulicShortcutEvaluator and the others are needed for RegionalAssessment.Related to Issue [MWDAM-1087]