update javadoc

src/animation/PseudoCodeNode.java

@@ -92,7 +92,7 @@ public class PseudoCodeNode extends DefaultMutableTreeNode {
      * highlight this line of pseudocode.
      * should be called when the line is entered, as it triggers breakpoints
      * @param selected whether to select or deselect this line
-     * @return false iff a breakpoint was reached and the node was set to be selected.
+     * @return if the automatic execution should continue.
      */
     public CodeAction setSelected( boolean selected )
     {

src/graph/LayeredGraphNode.java

@@ -184,7 +184,7 @@ public interface LayeredGraphNode {
   public boolean isDummyNode();
 
   /**
-   * unselects the subgraph of this node
+   * unselects recursively all contained nodes in all subgraphs of this node
    */
   public void unselectGraph();