Updated information about Jekyll in README

Author: dotta

README.md

@@ -4,9 +4,9 @@ The website is rendered by github.
 
 ## Testing
 
-To test the website locally, use [jekyll](http://jekyllrb.com/).
+To test the website locally, use [jekyll](http://jekyllrb.com/) v1.0.2
 
 To start the server locally, with automatic refresh on file modification:
 
-    jekyll --auto --server
+    jekyll serve --baseurl ""