update readme

Author: vann

README.mdown

@@ -18,3 +18,5 @@ Add in the plugin with the following files:
      // You don't have to restrict this to just lists, you can also filter table rows and such
      $('#your-input').liveUpdate('#tbl tr td')
      
+
+Code from: http://ejohn.org/blog/jquery-livesearch/ John Resig and originally written by John Nunemaker at: http://orderedlist.com/our-writing/blog/articles/live-search-with-quicksilver-style-for-jquery/