build: reanimate the dead

Fix build with ndn-cxx 0.7.1 and ChronoSync 0.5.3

* Adapt to new API
* Upgrade to Qt5
* Several other bugs

Refs: #4563, #4087
Change-Id: Ic55d687caade08f557f9b9ec3e9569bc96798710
diff --git a/src/main.cpp b/src/main.cpp
index 9674146..90f1d9d 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -10,10 +10,9 @@
 
 #include <QApplication>
 #include <QTextCodec>
-// #include <QSystemTrayIcon>
 
 #include "controller.hpp"
-#include "logging.h"
+#include <iostream>
 #include <ndn-cxx/face.hpp>
 #include <boost/thread/thread.hpp>
 
@@ -43,9 +42,6 @@
 {
   NewApp app(argc, argv);
 
-  QTextCodec::setCodecForCStrings(QTextCodec::codecForName("UTF-8"));
-  QTextCodec::setCodecForTr(QTextCodec::codecForName("UTF-8"));
-
   chronochat::Controller controller;
 
   app.setQuitOnLastWindowClosed(false);