Fixed some minor warnings along the way.

jplag.frontend.chars/src/main/java/jplag/chars/Language.java

@@ -28,7 +28,6 @@ public class Language implements jplag.Language {
 	 * @see jplag.Language#errorsCount()
 	 */
 	public int errorsCount() {
-		// TODO Auto-generated method stub
 		return this.parser.errorsCount();
 	}
 

jplag.frontend.cpp/src/main/java/jplag/cpp/Language.java

@@ -17,7 +17,6 @@ public class Language implements jplag.Language {
 	}
 
 	public int errorsCount() {
-		// TODO Auto-generated method stub
 		return this.scanner.errorsCount();
 	}
 

jplag.frontend.csharp-1.2/src/main/java/jplag/csharp/Language.java

@@ -19,7 +19,6 @@ public class Language implements jplag.Language {
 	}
 
 	public int errorsCount() {
-		// TODO Auto-generated method stub
 		return this.parser.errorsCount();
 	}
 

jplag.frontend.java-1.9/src/main/java/jplag/java19/JavacAdapter.java

@@ -2,15 +2,10 @@ package jplag.java19;
 
 import java.io.File;
 import java.io.IOException;
-import java.net.URI;
-import java.net.URLDecoder;
-import java.nio.file.Path;
 import java.nio.file.Paths;
-import java.util.Arrays;
 
 import javax.tools.Diagnostic;
 import javax.tools.DiagnosticCollector;
-import javax.tools.DiagnosticListener;
 import javax.tools.JavaCompiler;
 import javax.tools.JavaFileObject;
 import javax.tools.StandardJavaFileManager;
@@ -52,10 +47,10 @@ import com.sun.source.tree.TryTree;
 import com.sun.source.tree.TypeParameterTree;
 import com.sun.source.tree.VariableTree;
 import com.sun.source.tree.WhileLoopTree;
+import com.sun.source.util.JavacTask;
 import com.sun.source.util.SourcePositions;
 import com.sun.source.util.TreeScanner;
 import com.sun.source.util.Trees;
-import com.sun.source.util.JavacTask;
 
 public class JavacAdapter {
 	private static final JavaCompiler javac = ToolProvider.getSystemJavaCompiler();

jplag.frontend.java-1.9/src/main/java/jplag/java19/Parser.java

@@ -2,8 +2,6 @@ package jplag.java19;
 
 import java.io.File;
 
-import jplag.java19.JavaToken;
-
 public class Parser  extends jplag.Parser {
 	private jplag.Structure struct;
 

jplag.frontend.scheme/src/main/java/jplag/scheme/Language.java

@@ -13,7 +13,6 @@ public class Language implements jplag.Language {
 	}
 
 	public int errorsCount() {
-		// TODO Auto-generated method stub
 		return this.parser.errorsCount();
 	}