Renamed and removed unnecessary files
	renamed:    Sensing_and_sending_data/Sensing_and_sending_data.ino -> ARD_Sensor_Xbee_Send/Sensing_and_sending_data.ino
	deleted:    ArduinoXBeeTest/ArduinoXBeeTest.ino
	deleted:    ArduinoXBeeTest/Series1_Tx/Series1_Tx.ino