Clarify need for touch event emulation in browser.

Hung me up for a second before SO pointed out that push.js only listens to touch events. This'll point other n00bs like me in the right direction.

docs/getting-started.html

@@ -25,7 +25,7 @@ title: Getting started · Ratchet
         <p>Use the <a href="/components" data-ignore="push">documentation</a> as a reference for all the available components and piece together the pages of your app. Be sure to look at the <a href="#pageLayout">basic page template</a> and <a href="/examples" data-ignore="push">example applications</a>. Make sure to add <code>ratchet-theme-ios.css</code> or <code>ratchet-theme-android.css</code> to your app's <code>&lt;head&gt;</code> if you have a specific platform in mind.</p>
 
         <h3>2. Connect pages with push.js</h3>
-        <p>Read about <a href="/components/#push" data-ignore="push">push.js</a> then start connecting your pages. Push.js allows you to create a app that feels like a real app when you save it to your phone. (Need to have a server running).</p>
+        <p>Read about <a href="/components/#push" data-ignore="push">push.js</a> then start connecting your pages. Push.js allows you to create a app that feels like a real app when you save it to your phone. Make sure that you have a server running, and that your browser is emulating touch events. <a href="https://developers.google.com/chrome-developer-tools/docs/mobile-emulation#emulate-touch-events" data-ignore="push">Check out this tutorial on emulating touch events in Chrome</a> (<a href="https://developer.mozilla.org/en-US/docs/Tools/Responsive_Design_View" data-ignore="push">or Firefox</a>) if you're not sure how to do that.</p>
 
         <h3>3. Save the app to your phone</h3>
         <p>There are <a href="https://groups.google.com/forum/#!topic/goratchet/IboE6SCMAyw" data-ignore="push">a few ways to do this</a>, but the simplest is to run a local server on your computer, point Safari on your iPhone to your computer, then click the <span class="icon icon-share"></span> button and "Add to Home Screen". For Android, check out <a href="https://developers.google.com/chrome/mobile/docs/installtohomescreen" data-ignore="push">this guide</a>.</p>