Merge pull request usablica#8 from jrcutler/patch-1

Replace '&' and '<' with HTML entities

Author: afshinm

example/index.html

@@ -81,10 +81,10 @@ <h1 data-step="1" data-intro="Hello all! :) This project's called Intro.js.">Int
           <h4>Easy to Use</h4>
           <p>Just include the js and css files and add <code>data-step</code> and <code>data-intro</code> to your code.</p>
 
-          <h4>Fast & Small</h4>
+          <h4>Fast &amp; Small</h4>
           <p><strong>4 KB</strong> JavaScript and <strong>2 KB</strong> CSS. That's all.</p>
 
-          <h4>Free & Open-Source</h4>
+          <h4>Free &amp; Open-Source</h4>
           <p>Free and open-source (including commercial use). Published under MIT license.</p>
         </div>
 
@@ -94,8 +94,8 @@ <h4>Keyboard + Mouse navigation</h4>
 
           <h4>Browser Compatibllity</h4>
           <p>Better compatibility is on the roadmap, but currently it should work in recent versions of Firefox and Chrome (probably IE10, too!)</p>
-          <h4>Developed with <3</h4>
-          <p>With <3 in <a href='http://usabli.ca/' target="_blank" title="usabli.ca group">usabli.ca</a>, Tehran.</p>
+          <h4>Developed with &lt;3</h4>
+          <p>With &lt;3 in <a href='http://usabli.ca/' target="_blank" title="usabli.ca group">usabli.ca</a>, Tehran.</p>
         </div>
       </div>