Added Dummy Plugin with all dummy "passthrough" DS and KPIC

Created by: stefanoborini

setup.py

@@ -14,6 +14,8 @@ setup(
             "multi_criteria_optimizers_plugin:MultiCriteriaOptimizersPlugin",
             "csv_extractor = force_bdss.core_plugins.csv_extractor"
             ".csv_extractor_plugin:CSVExtractorPlugin",
+            "kpi_adder = force_bdss.core_plugins.dummy_kpi"
+            ".dummy_kpi_calculator_plugin:DummyKPICalculatorPlugin",
             "dummy = force_bdss.core_plugins.dummy.dummy_plugin:DummyPlugin",
         ]
     },