restored the extrasContentLength function but made it use Buffer.byte…

…Length() rather than [string].length and made PutBucket call it explicitly rather than it's previous implicit call via extrasContentMd5

lib/amazon/s3-config.js

@@ -295,6 +295,13 @@ function bodyCompleteMultipartUpload(options, args) {
     return data2xml('CompleteMultipartUpload', data);
 }
 
+function extrasContentLength(options, args) {
+    var self = this;
+
+    // add the Content-Length header we need
+    options.headers['Content-Length'] = args.ContentLength || Buffer.byteLength( options.body );
+}
+
 function extrasContentMd5(options, args) {
     var self = this;
 
@@ -768,7 +775,7 @@ module.exports = {
             },
         },
         body : bodyLifecycleConfiguration,
-        addExtras : extrasContentMd5,
+        addExtras : [ extrasContentMd5, extrasContentLength ],
         // response
         extractBody : 'none',
     },