Adopt panel system in match spec

Change-Id: I068c9f3ece057ce7eb782575fc5233d00985c02c
diff --git a/dev/js/src/match/treeitem.js b/dev/js/src/match/treeitem.js
index 68ffe8c..d99165a 100644
--- a/dev/js/src/match/treeitem.js
+++ b/dev/js/src/match/treeitem.js
@@ -56,8 +56,8 @@
       var menu = this.menu();
       menu.hide();
       e.halt();
-      if (menu.info() !== undefined) {
-	      menu.info().showTree(this._foundry, this._layer, this._type);
+      if (menu.panel() !== undefined) {
+	      menu.panel().addTree(this._foundry, this._layer, this._type);
       };
     },