Fix css: example https://api.foo.com/explorer/browser.html#%22%3E%3Cscript%3Ealert%28%29%3C/script%3E%3C

Author: jkuperus

browser.html

@@ -37,7 +37,7 @@
   <script id="location-bar-template" type="text/template">
 <form>
     <div class="input-append span12 location-bar-container">
-      <input class="span11" id="appendedInputButton" type="text" value="<%= url %>">
+      <input class="span11" id="appendedInputButton" type="text" value="<%= _.escape(url) %>">
       <button class="btn" type="submit">Go!</button>
        <span class="ajax-loader"></span>
     </div>