fixed PMD issues

.settings/edu.umd.cs.findbugs.core.prefs

 #FindBugs User Preferences
-#Wed Dec 17 07:36:29 CET 2014
+#Wed Dec 17 07:37:54 CET 2014
 detector_threshold=3
 effort=max
 excludefilter0=.fbExcludeFilterFile|true

src/main/java/teetime/framework/RunnableStage.java

@@ -11,7 +11,8 @@ import teetime.framework.validation.AnalysisNotValidException;
 public class RunnableStage implements Runnable {
 
 	private final Stage stage;
-	private final Logger logger; 
+	@SuppressWarnings("PMD.LoggerIsNotStaticFinal")
+	private final Logger logger;
 	private boolean validationEnabled;
 
 	public RunnableStage(final Stage stage) {

src/main/java/teetime/framework/TerminateException.java

@@ -4,6 +4,7 @@ public final class TerminateException extends RuntimeException {
 
 	private static final long serialVersionUID = 6841651916837487909L;
 
+	@SuppressWarnings("PMD.AvoidSynchronizedAtMethodLevel")
 	@Override
 	public synchronized Throwable fillInStackTrace() {
 		return this;