add comments, update library to Arduino 1.5 standard

examples/AFSK-PacketTester/AFSK-PacketTester.ino

@@ -1,8 +1,14 @@
-/* Serial glue to send messages over APRS 
- *  
- *  To do: add message receive code
- *  
- */
+/* Hamshield
+ * Example: AFSK Packet Tester
+ * This example sends AFSK test data. You will need a seperate 
+ * AFSK receiver to test the output of this example.
+ * Connect the HamShield to your Arduino. Screw the antenna 
+ * into the HamShield RF jack. Connect the Arduino to wall 
+ * power and then to your computer via USB. After uploading 
+ * this program to your adruino, open the Serial Monitor to 
+ * monitor the process of the HamShield. Check for output on 
+ * AFSK receiver.
+*/
 
 #define DDS_REFCLK_DEFAULT 9600
 
@@ -34,7 +40,7 @@ void setup() {
   // turn on pwr to the radio
   digitalWrite(RESET_PIN, HIGH);
   
-  Serial.begin(115200);
+  Serial.begin(9600);
   
   radio.initialize();
   radio.frequency(144390);