Closes #686

I had already done something similar--easiest issue ever.

Author: dcwhite

src/Interface/Application/ModuleProxyWidget.cc

@@ -245,6 +245,7 @@ void ModuleProxyWidget::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
   {
     return;
   }
+  ensureVisible();
   QGraphicsItem::mouseMoveEvent(event);
 }