Added panasonic and JVC protocol

Most work already done by zenwheel, but the sendPanasonic command
didn't work. Sending and decoding is confirmed to work with using both
the JVC and Panasonic protocol.
The library has also been updated to work with Arduino IDE 1.0.

examples/IRsendDemo/IRsendDemo.ino

@@ -0,0 +1,25 @@
+/*
+ * IRremote: IRsendDemo - demonstrates sending IR codes with IRsend
+ * An IR LED must be connected to Arduino PWM pin 3.
+ * Version 0.1 July, 2009
+ * Copyright 2009 Ken Shirriff
+ * http://arcfn.com
+ */
+
+#include <IRremote.h>
+
+IRsend irsend;
+
+void setup()
+{
+  Serial.begin(9600);
+}
+
+void loop() {
+  if (Serial.read() != -1) {
+    for (int i = 0; i < 3; i++) {
+      irsend.sendSony(0xa90, 12); // Sony TV power code
+      delay(40);
+    }
+  }
+}