title: titanium appcelerator - how do i specify which version of the sdk to use?
body: <ol>
  <li><p>with titanium appcelerator, how do i specify I want to use version X in my project?</p></li>
  <li><p>how do i know <em>which</em> is the latest version of Appcelerator that I have to use?</p></li>
  </ol>