Update package declaration

src/main/java/kieker/analysis/trace/graphoutput/DotGraphWriter.java

-package kieker.analysis.stage.graphoutput;
+package kieker.analysis.trace.graphoutput;
 
 import java.io.BufferedWriter;
 import java.io.FileOutputStream;
@@ -32,8 +32,7 @@ public class DotGraphWriter extends AbstractConsumerStage<NamedGraph> {
 		try {
 			writeDotGraphFile(dotGraph);
 		} catch (IOException e) {
-			// TODO Auto-generated catch block
-			e.printStackTrace();
+			throw new IllegalStateException(e);
 		}
 	}
 

src/main/java/kieker/analysis/trace/graphoutput/GraphMLWriter.java

-package kieker.analysis.stage.graphoutput;
+package kieker.analysis.trace.graphoutput;
 
 import java.io.IOException;