various classpath updates to help SWT build

classpath/java/util/Vector.java

@@ -39,14 +39,30 @@ public class Vector<T> implements List<T> {
     return list.remove(index);
   }
 
+  public T removeElementAt(int index) {
+    return remove(index);
+  }
+
   public synchronized boolean remove(T element) {
     return list.remove(element);
   }
 
+  public boolean removeElement(T element) {
+    return remove(element);
+  }
+
   public synchronized void clear() {
     list.clear();
   }
 
+  public synchronized int indexOf(T element) {
+    return list.indexOf(element);
+  }
+
+  public synchronized int lastIndexOf(T element) {
+    return list.lastIndexOf(element);
+  }
+
   public synchronized void copyInto(Object[] array) {
     for (int i = 0; i < size(); ++i) {
       array[i] = list.get(i);