Changed the config_bus function to change only the communication device baud...

Changed the config_bus function to change only the communication device baud speed, but not that of the devices connected to the bus. 

src/dynamixelserver.cpp

@@ -135,10 +135,22 @@ void *CDynamixelServer::scan_thread(void *param)
 
 void CDynamixelServer::config_bus(int bus_id, int baudrate)
 {
+  TFTDIconfig ftdi_config;
+
   // set the desired bus identifier 
   this->set_bus_id(bus_id);
   // set the desired baudrate for the bus
-  this->set_baudrate(baudrate);
+  /* reconfigure the communciations device */
+  ftdi_config.word_length=8;
+  ftdi_config.stop_bits=1;
+  ftdi_config.parity=0;
+  ftdi_config.read_timeout = 1000;
+  ftdi_config.write_timeout = 1000;
+  ftdi_config.latency_timer = 1;
+  ftdi_config.baud_rate=baudrate;
+  this->comm_dev->config(&ftdi_config);
+  this->bus_info.baud_rate=baudrate;
+//  this->set_baudrate(baudrate);
 }
 
 int CDynamixelServer::get_num_buses(void)