Changed all .pde examples to .ino

All examples in /build/shared/examples/ and /libraries/ have had their
extensions changed to .ino

Author: tigoe

examples/BarometricPressureWebServer/BarometricPressureWebServer.pde renamed to examples/BarometricPressureWebServer/BarometricPressureWebServer.ino

@@ -30,18 +30,17 @@ void setup() {
   // start the serial library:
   Serial.begin(9600);
   // start the Ethernet connection:
-  Serial.println("Trying to get an IP address using DHCP");z
   if (Ethernet.begin(mac) == 0) {
     Serial.println("Failed to configure Ethernet using DHCP");
     // no point in carrying on, so do nothing forevermore:
-    while(true);
+    for(;;)
+      ;
   }
   // print your local IP address:
   Serial.print("My IP address: ");
-  IPAddress myIPAddress = Ethernet.localIP();
   for (byte thisByte = 0; thisByte < 4; thisByte++) {
     // print the value of each byte of the IP address:
-    Serial.print(myIPAddress[thisByte], DEC);
+    Serial.print(Ethernet.localIP()[thisByte], DEC);
     Serial.print("."); 
   }
   Serial.println();