introduced common interface for power train elements that have an inShaft and an outShaft

VectoCore/Models/SimulationComponent/IClutch.cs

@@ -2,5 +2,5 @@
 
 namespace TUGraz.VectoCore.Models.SimulationComponent
 {
-	public interface IClutch : IInShaft, IOutShaft {}
+	public interface IClutch : IPowerTrainComponent {}
 }
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VectoCore/Models/SimulationComponent/IPowerTrainComponent.cs

+using TUGraz.VectoCore.Models.Connector.Ports;
+
+namespace TUGraz.VectoCore.Models.SimulationComponent
+{
+	public interface IPowerTrainComponent : IInShaft, IOutShaft {}
+}
\ No newline at end of file