Add ability to send folder with launch files

Server/server_gui.ui

@@ -7,7 +7,7 @@
     <x>0</x>
     <y>0</y>
     <width>1220</width>
-    <height>750</height>
+    <height>761</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -466,7 +466,7 @@
   </action>
   <action name="action_send_launch_file">
    <property name="text">
-    <string>Send launch file to clever</string>
+    <string>Send launch files</string>
    </property>
   </action>
   <action name="action_restart_clever">

Server/server_qt.py

@@ -419,12 +419,14 @@ class MainWindow(QtWidgets.QMainWindow):
 
     @pyqtSlot()
     def send_launch(self):
-        path = QFileDialog.getOpenFileName(self, "Select launch file for clever", filter="Launch files (*.launch)")[0]
+        path = str(QFileDialog.getExistingDirectory(self, "Select directory with launch files"))
         if path:
-            filename = os.path.basename(path)
-            print("Selected file:", path, filename)
+            print("Selected directory:", path)
+            files = [file for file in glob.glob(path + '/*.launch')]
             for copter in self.model.user_selected():
-                copter.client.send_file(path, "/home/pi/catkin_ws/src/clever/clever/launch/{}".format(filename))
+                for file in files:
+                    filename = os.path.basename(file)
+                    copter.client.send_file(file, "/home/pi/catkin_ws/src/clever/clever/launch/{}".format(filename))
                 # copter.client.send_message("service_restart", {"name": "clever"})
     
     @pyqtSlot()

messaging_lib.py

@@ -383,7 +383,7 @@ class ConnectionManager(object):
                 logger.error("File {} can not be written due error: {}".format(filepath, error))
             else:
                 logger.info("File {} successfully received ".format(filepath))
-                os.system("chown -R pi:pi /home/pi/clever-show")
+                os.system("chown -R pi:pi /home/pi/clever-show/")
 
     def write(self):
         with self._send_lock: