updated Bridge examples headers

libraries/Bridge/examples/HttpClient/HttpClient.ino

@@ -1,19 +1,47 @@
+/*
+
+ Yun HTTP Client
+ 
+ This example for the Arduino Yún shows how create a basic 
+ HTTP client that connects to the internet and downloads 
+ content. In this case, you'll connect to the Arduino 
+ website and download a version of the logo as ASCII text.
+
+ created by Tom igoe
+ May 2013
+
+ This example code is in the public domain.
+
+  http://arduino.cc/en/Tutorial/HttpClient
+  
+*/
 
 #include <Bridge.h>
 #include <HttpClient.h>
 
 void setup() {
+  // Bridge takes about two seconds to start up
+  // it can be helpful to use the on-board LED
+  // as an indicator for when it has initialized  
   pinMode(13, OUTPUT);
   digitalWrite(13, LOW);
   Bridge.begin();
+  digitalWrite(13, HIGH);
+  
   Serial.begin(9600);
-  while(!Serial);
+  
+  while(!Serial); // wait for a serial connection 
 }
 
 void loop() {
+  // Initialize the client library
   HttpClient client;
+  
+  // Make a HTTP request:
   client.get("http://arduino.cc/asciilogo.txt");
   
+  // if there are incoming bytes available 
+  // from the server, read them and print them:  
   while (client.available()) {
     char c = client.read();
     Serial.print(c);