title: Travis-CI Node.js Defaulting to Ruby Build? No RakeFile found
body: <p>I'm posting this as a reference to others who have had the same problem. </p>
  
  <pre><code>$ rake
  rake aborted!
  No Rakefile found (looking for: rakefile, Rakefile, rakefile.rb, Rakefile.rb)
  /home/travis/.rvm/gems/ruby-1.9.3-p551/bin/ruby_executable_hooks:15:in `eval'
  /home/travis/.rvm/gems/ruby-1.9.3-p551/bin/ruby_executable_hooks:15:in `&lt;main&gt;'
  (See full trace by running task with --trace)
  The command "rake" exited with 1.
  </code></pre>
  
  <p>The above is output when building a Node.JS project on Travis-CI. The .travis.yml file is valid: </p>
  
  <pre><code>language: node_js
  node_js:
    - "0.12"
  </code></pre>