Merge pull request #2558 from jendiamond/bundlerfordev_doc

Added documentation on how to set up Bundler for development

CONTRIBUTE.md

@@ -1,12 +1,24 @@
-Great to have you here! Here are a few ways you can help out with [Bundler](http://github.com/bundler/bundler).
+Great to have you here! Here are a few ways you can help out with [Bundler](http://github.com/bundler/bundler)
 
 # Learn & listen
 
 You can start learning about Bundler by reading [the documentation](http://gembundler.com). If you want, you can also read a (lengthy) explanation of [why Bundler exists and what it does](http://gembundler.com/v1.2/rationale.html). You can also check out discussions about Bundler on the [Bundler mailing list](https://groups.google.com/group/ruby-bundler) and in the [Bundler IRC channel](irc://irc.freenode.net/#bundler), which is #bundler on Freenode.
 
 ## Core Team
 
-The Bundler core team consists of André Arko ([@indirect](http://github.com/indirect)), Terence Lee ([@hone](http://github.com/hone)), and Jessica Lynn Suttles ([@jlsuttles](http://github.com/jlsuttles)), with support and advice from original Bundler author Yehuda Katz ([@wycats](http://github.com/wycats)).
+The Bundler core team consists of André Arko ([@indirect](http://github.com/indirect)), Terence Lee ([@hone](http://github.com/hone)), and Jessica Lynn Suttles ([@jlsuttles](http://github.com/jlsuttles)), with support and advice from original Bundler author Yehuda Katz ([@wycats](http://github.com/wycats))
+
+# How to Set Up Bundler for Development
+
+Install Bundler development dependencies
+
+   `$ rake spec:deps`
+
+
+Run the Bundler test suite
+
+   `$ rake spec`
+
 
 # Adding new features