Changed directory structure and renamed applications

- autopilot -> drone_controller
- rtsp_ai_player -> ai_controller
- added top level qmake project file
- updated documentation
- moved small demo applications from tmp/ to misc/

misc/udp/udp_client/main.cpp

@@ -0,0 +1,39 @@
+#include <QCoreApplication>
+#include <QUdpSocket>
+#include <QHostAddress>
+#include <QThread>
+#include <QJsonObject>
+#include <QJsonDocument>
+
+int main(int argc, char *argv[]) {
+    QCoreApplication a(argc, argv);
+
+    if (argc != 2) {
+        qDebug() << "Give port number of server as only parameter";
+        return 1;
+    }
+
+    QUdpSocket udpSocket;
+    quint16 receiverPort = atoi(argv[1]);
+
+    for (int i = 0; i < 10000000 ; i++) {
+        QJsonObject json;
+        json["value"] = i;
+        QJsonDocument jsonDoc(json);
+        QByteArray datagram = jsonDoc.toJson();
+
+        qint64 bytesSent = udpSocket.writeDatagram(datagram, QHostAddress("127.0.0.1"), receiverPort);
+
+        if (bytesSent == -1) {
+            qWarning("Failed to send the datagram: %s", qPrintable(udpSocket.errorString()));
+            return 1;
+        }
+        else {
+            qDebug("Datagram sent successfully");
+        }
+
+        QThread::msleep(100);
+    }
+
+    return 0;
+}