Add Interrupt Signal Handling

FaultFinder.cpp

@@ -1,4 +1,5 @@
-#include <QApplication>
+#include <csignal>
+#include <QCoreApplication>
 
 #include "StreamManager.hpp"
 #include "ImageManager.hpp"
@@ -7,14 +8,21 @@
 
 using namespace std;
 
+void handleClose(int signal)
+{
+    qApp->exit(14);
+}
+
 int main(int argc, char **argv)
 {
-    QApplication app(argc, argv);
+    QCoreApplication app(argc, argv);
 
-    //ImageManager image_mgr(&app);
-    //FaultManager fault_mgr(&app);
+    signal(SIGINT, &handleClose);
+
+    FaultManager fault_mgr(&app);
+    ImageManager image_mgr(&app);
     ConfigManager config_mgr(&app);
-    //StreamManager stream_mgr(&app);
+    StreamManager stream_mgr(&app);
 
     return app.exec();
 }