Started kraken blur benchmark example

examples/kraken.js

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+
+/**
+ * Module dependencies.
+ */
+
+var Canvas = require('../lib/canvas')
+  , Image = Canvas.Image
+  , canvas = new Canvas(400, 267)
+  , ctx = canvas.getContext('2d')
+  , fs = require('fs');
+
+var img = new Image;
+
+img.onload = function(){
+  ctx.drawImage(img,0,0);
+};
+
+img.src = __dirname + '/squid.png';
+
+var out = fs.createWriteStream(__dirname + '/kraken.png')
+  , stream = canvas.createPNGStream();
+
+stream.on('data', function(chunk){
+  out.write(chunk);
+});