update examples to use node callback convention

Author: mirkokiefer

examples/ec2.js

@@ -2,6 +2,6 @@ var aws = require("aws-lib");
 
 ec2 = aws.createEC2Client(yourAccessKeyId, yourSecretAccessKey);
 
-ec2.call("DescribeInstances", {}, function(result) {
+ec2.call("DescribeInstances", {}, function(err, result) {
   console.log(JSON.stringify(result));
 })

examples/elb.js

@@ -2,6 +2,6 @@ var aws = require("aws-lib");
 
 elb = aws.createELBClient(yourAccessKeyId, yourSecretAccessKey);
 
-elb.call("DescribeLoadBalancers", {}, function(result) {
+elb.call("DescribeLoadBalancers", {}, function(err, result) {
   console.log(JSON.stringify(result, null, 2));
 })

examples/prod-adv.js

@@ -2,6 +2,6 @@ var aws = require("../lib/aws");
 
 prodAdv = aws.createProdAdvClient(yourAccessKeyId, yourSecretAccessKey, yourAssociateTag);
 
-prodAdv.call("ItemSearch", {SearchIndex: "Books", Keywords: "Javascript"}, function(result) {
+prodAdv.call("ItemSearch", {SearchIndex: "Books", Keywords: "Javascript"}, function(err, result) {
   console.log(JSON.stringify(result));
 })

examples/ses.js

@@ -2,15 +2,15 @@ var aws = require("../lib/aws");
 
 ses = aws.createSESClient(yourAccessKeyId, yourSecretAccessKey);
 
-ses.call("GetSendQuota", {}, function(result) {
+ses.call("GetSendQuota", {}, function(err, result) {
   console.log(JSON.stringify(result));
 });
 
-ses.call("GetSendStatistics", {}, function(result) {
+ses.call("GetSendStatistics", {}, function(err, result) {
   console.log(JSON.stringify(result));
 });
 
-ses.call("ListVerifiedEmailAddresses", {}, function(result) {
+ses.call("ListVerifiedEmailAddresses", {}, function(err, result) {
   console.log(JSON.stringify(result));
 });
 
@@ -26,6 +26,6 @@ var send_args = {
 	'Message.Subject.Data': 'Test subject',
 	'Source': sender_address
 };
-ses.call('SendEmail', send_args, function(result) {
+ses.call('SendEmail', send_args, function(err, result) {
 	console.log(result);
 });