Debug tooltips on hover

When in Debug mode and stopped at a breakpoint, hovering over dientifiers will show up their name and value in a tooltip. All matching locals will be shown, one on each line.

src/com/jpexs/decompiler/flash/gui/MainPanel.java

@@ -823,7 +823,7 @@ public final class MainPanel extends JPanel implements TreeSelectionListener, Se
         return abcPanel;
     }
 
-    private ActionPanel getActionPanel() {
+    public ActionPanel getActionPanel() {
         if (actionPanel == null) {
             actionPanel = new ActionPanel(MainPanel.this);
             displayPanel.add(actionPanel, CARDACTIONSCRIPTPANEL);