Merge pull request #521 from vliubezny/fix-install

Closes #467

Author: aminya

scripts/download.js

@@ -3,8 +3,9 @@ var fs = require("fs");
 var url = require("url");
 
 function writeToFile(filename, response, callback) {
-  response.pipe(fs.createWriteStream(filename));
-  response.on("end", callback);
+  var writeStream = fs.createWriteStream(filename);
+  response.pipe(writeStream);
+  writeStream.on("finish", callback);
 }
 
 function download(fileUrl, filename, callback) {