Add a couple links of interesting things for getting started/contributing

Author: nicksieger

www/contribute.markdown

@@ -24,6 +24,8 @@ JRuby depends on community contributions to survive. Here's how you can get invo
       ant jar
       ant test
 
+**Check out the Hacking Guide** - NaHi built an [awesome Prezi fly-through tour of the JRuby codebase][prezi]. Take a look through it for getting bearings with the codebase.
+
 **Report Bugs** - Our bug tracker uses Atlassian JIRA. Please report anything you think is a bug! Performance problems are considered bugs, so please report those too.
 
 - **Bug Tracker**: [**Browse**]({{ site.urls.jira }})
@@ -41,3 +43,4 @@ JRuby depends on community contributions to survive. Here's how you can get invo
 - **Website**: [**Browse**](http://github.com/jruby/jruby.github.com)  | [**Checkout**](git://github.com/jruby/jruby.github.com.git)
 
 [helpwanted]: http://bit.ly/jruby-help-wanted
+[prezi]: http://prezi.com/tsuouxb3z4ln/jruby-hacking-guide/

www/documentation.markdown

@@ -15,6 +15,7 @@ information on sending JRuby source patches.
 
 ### Recent Articles
 
+* [JRuby Rake Vs Ant](http://watchitlater.com/blog/2011/03/jruby-rake-vs-ant/)
 * [Rails Application Specific Logging on Tomcat 7.x with log4j and jRuby](http://jedschneider.posterous.com/rails-application-specific-logging-on-tomcat)
 * [Deploying Rails 3 with JRuby 1.5, daemonized GlassFish gem & Nginx on Ubuntu 10.04](http://www.scottlowe.eu/deploying-rails-3-with-jruby-daemonized-glass-0)