added more info about running the site and downloading ruby 1.7.3

Author: markburns

README.md

@@ -10,3 +10,39 @@ Contributors
 * Laurent Sansonetti
 * Clifford Caoile
 * Jean-Denis Vauguet
+
+
+Running the site locally
+==========
+
+First fork the repo on github (create an account if you don't have one)
+
+```sh
+git clone git@github.com:your_user_name/ruby-hacking-guide.github.com.git
+
+gem install jekyll
+
+jekyll # this compiles the site
+
+jekyll --server #start a server and browse on localhost:4000
+
+
+```
+
+[Jekyll usage](https://github.com/mojombo/jekyll/wiki/usage)
+
+Version of ruby used is very old 1.7.3
+It seems there is
+[no tag on github for this version](https://github.com/ruby/ruby/tags?after=v1_8_3_preview2)
+
+
+Get Ruby 1.7.3
+==============
+
+It's available from this Organization's repo at
+https://github.com/ruby-hacking-guide/ruby-1.7.3
+
+`git clone git://github.com/ruby-hacking-guide/ruby-1.7.3.git`
+
+or from the original site zipped up
+http://i.loveruby.net/ja/rhg/ar/ruby-rhg.tar.gz