download target file instead of tarball

Author: iurimatias

lib/pipeline/npm.js

@@ -59,7 +59,7 @@ class Npm {
             fs.mkdirpSync(packageDirectory);
             self.logger.info("downloading " + packageName + " " + version + "....");
 
-            download(tarball, packageDirectory + "/" + packageName + ".js", function() {
+            download(fileLocation, packageDirectory + "/" + packageName + ".js", function() {
               o_fs.createReadStream(packageDirectory + "/" + packageName + ".js").pipe(
                 tar.x({
                 strip: 1,