refactor: cleanup and sync

* Fix Jenkins scripts and sync with ndn-cxx
* Sync waf-tools
* Remove ChronoSync submodule
* Remove commented/dead code and includes
* Use ScopedEventId and ScopedRegisteredPrefixHandle
* Set setCanBePrefix to true explicitly everywhere
* Fix macOS build, add GHA CI
* Use NDN_THROW for throwing errors
* Other smaller fixes

Change-Id: I615e0e239511b97101852e1d7c620a2071a18ff8
diff --git a/src/trust-tree-scene.hpp b/src/trust-tree-scene.hpp
index 0412914..1d4d0e1 100644
--- a/src/trust-tree-scene.hpp
+++ b/src/trust-tree-scene.hpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
 /*
- * Copyright (c) 2013, Regents of the University of California
+ * Copyright (c) 2020, Regents of the University of California
  *                     Yingdi Yu
  *
  * BSD license, See the LICENSE file for more information
@@ -11,15 +11,15 @@
 #ifndef CHRONOCHAT_TRUST_TREE_SCENE_HPP
 #define CHRONOCHAT_TRUST_TREE_SCENE_HPP
 
-#include <QGraphicsScene>
-#include <QColor>
-#include <QMap>
-
 #ifndef Q_MOC_RUN
 #include "trust-tree-node.hpp"
 #include "tree-layout.hpp"
 #endif
 
+#include <QGraphicsScene>
+#include <QColor>
+#include <QMap>
+
 class QGraphicsTextItem;
 
 namespace chronochat {