Clean up tests. Javadocs.

Author: Gary Gregory

src/main/java/org/apache/commons/io/FileUtils.java

@@ -31,7 +31,6 @@
 import java.net.URL;
 import java.net.URLConnection;
 import java.nio.ByteBuffer;
-import java.nio.channels.FileChannel;
 import java.nio.charset.Charset;
 import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
@@ -110,11 +109,6 @@ public FileUtils() {
      */
     public static final BigInteger ONE_MB_BI = ONE_KB_BI.multiply(ONE_KB_BI);
 
-    /**
-     * The file copy buffer size (30 MB)
-     */
-    private static final long FILE_COPY_BUFFER_SIZE = ONE_MB * 30;
-
     /**
      * The number of bytes in a gigabyte.
      */

src/main/java/org/apache/commons/io/output/NullOutputStream.java

@@ -24,7 +24,7 @@
  * <p>
  * This output stream has no destination (file/socket etc.) and all
  * bytes written to it are ignored and lost.
- *</p>
+ * </p>
  * @version $Id$
  */
 public class NullOutputStream extends OutputStream {