Fix up some python to get run working in vs code.

Also allowed running with python -m car

car/src/car/__main__.py

@@ -0,0 +1,4 @@
+from . import controller
+
+if __name__ == '__main__':
+    controller.main()

car/src/car/controller.py

@@ -55,10 +55,12 @@ class CarServer():
 
         return grpc.ssl_server_credentials([[pvtKeyBytes, pvtCertBytes]])
 
-
-if __name__ == '__main__':
+def main():
     server = CarServer(vehicle_factory.get_vehicle())
 
     # Can't remember why I do this, is it even needed?
     service_thread = Thread(target=server.start_server)
     service_thread.start()
+
+if __name__ == '__main__':
+    main()

car/src/car/tracking/devices/factory.py

@@ -14,7 +14,7 @@ def get_lidar(device=None, connection='/dev/ttyUSB0'):
         print(
             'No lidar device specified and the CAR_LIDAR environment variable is not set.')
     if actual_device == MOCK_DEVICE:
-        return MockLidar(loader.load_scans_bytes_file("car/tracking/out.pickle"))
+        return MockLidar(loader.load_scans_bytes_file("car/src/car/tracking/out.pickle"))
     elif actual_device == RPLIDAR:
         try:
             from rplidar import RPLidar