Restructure junit4 dependent files to vintage package

Author: rien

src/dodona/reflection/AssertionStubber.java

@@ -11,9 +11,7 @@
 import java.lang.reflect.Proxy;
 import java.util.Arrays;
 import java.util.Comparator;
-import java.util.HashMap;
 import java.util.Iterator;
-import java.util.Map;
 import java.util.Optional;
 import java.util.stream.Collectors;
 import java.util.stream.IntStream;

src/dodona/reflection/Assignable.java

@@ -1,16 +1,11 @@
 package dodona.reflection;
 
-import java.util.ArrayList;
 import java.util.Arrays;
-import java.util.List;
-import java.lang.reflect.Method;
 import java.lang.reflect.Type;
 import java.lang.reflect.ParameterizedType;
 import java.lang.reflect.GenericArrayType;
 import java.lang.reflect.WildcardType;
-import java.lang.reflect.WildcardType;
 import java.lang.reflect.TypeVariable;
-import java.util.stream.IntStream;
 import java.util.Optional;
 
 public class Assignable {

src/dodona/util/Interactive.java

@@ -1,8 +1,8 @@
 package dodona.util;
 
 import dodona.junit.ExitException;
-import dodona.junit.MultiMessageWriter;
-import dodona.junit.TestWriter;
+import dodona.vintage.MultiMessageWriter;
+import dodona.vintage.TestWriter;
 import org.junit.Assert;
 import org.junit.contrib.java.lang.system.SystemOutRule;
 import org.junit.contrib.java.lang.system.TextFromStandardInputStream;

src/dodona/junit/MessageWriter.java renamed to src/dodona/vintage/MessageWriter.java

@@ -1,9 +1,10 @@
-package dodona.junit;
+package dodona.vintage;
 
 import dodona.feedback.Format;
 import dodona.feedback.Message;
 import dodona.feedback.Permission;
 
+import dodona.junit.AnnotatedThrowable;
 import org.junit.rules.TestRule;
 import org.junit.runner.Description;
 import org.junit.runners.model.Statement;

src/dodona/junit/MultiMessageWriter.java renamed to src/dodona/vintage/MultiMessageWriter.java

@@ -1,8 +1,9 @@
-package dodona.junit;
+package dodona.vintage;
 
 import dodona.feedback.Format;
 import dodona.feedback.Message;
 import dodona.feedback.Permission;
+import dodona.junit.AnnotatedThrowable;
 import org.junit.rules.TestRule;
 import org.junit.runner.Description;
 import org.junit.runners.model.Statement;

src/dodona/junit/TestWriter.java renamed to src/dodona/vintage/TestWriter.java

@@ -1,11 +1,12 @@
-package dodona.junit;
+package dodona.vintage;
 
 import dodona.feedback.Message;
 import dodona.feedback.Status;
 import dodona.feedback.StatusPair;
 import dodona.feedback.StartTest;
 import dodona.feedback.CloseTest;
 
+import dodona.junit.TestCarryingThrowable;
 import org.junit.rules.TestRule;
 import org.junit.runner.Description;
 import org.junit.runners.model.Statement;