{Node,NodeItem}: javadoc tidy

Signed-off-by: Paul Campbell <pcampbell@kemitix.net>

src/main/java/net/kemitix/node/Node.java

@@ -7,8 +7,9 @@ import java.util.Set;
 /**
  * An interface for tree node items.
  *
- * @author pcampbell
  * @param <T> the type of data held in each node
+ *
+ * @author pcampbell
  */
 public interface Node<T> {
 
@@ -21,7 +22,6 @@ public interface Node<T> {
 
     /**
      * Fetch the parent node.
-     *
      * <p>
      * If the node is a root node, i.e. has no parent, then this will return
      * null.

src/main/java/net/kemitix/node/NodeItem.java

@@ -116,6 +116,7 @@ public class NodeItem<T> implements Node<T> {
      * Walks the node tree using the path to select each child.
      *
      * @param path the path to the desired child
+     *
      * @return the child or null
      */
     @Override