ui: Use relative import paths

ui/index.html

@@ -20,10 +20,10 @@
     </ul>
   </script>
 
-  <script src="/javascripts/libs/jquery-1.10.2.js"></script>
-  <script src="/javascripts/libs/handlebars-1.1.2.js"></script>
-  <script src="/javascripts/libs/ember-1.5.0.js"></script>
-  <script src="/javascripts/app.js"></script>
+  <script src="javascripts/libs/jquery-1.10.2.js"></script>
+  <script src="javascripts/libs/handlebars-1.1.2.js"></script>
+  <script src="javascripts/libs/ember-1.5.0.js"></script>
+  <script src="javascripts/app.js"></script>
 
   <!-- to activate the test runner, add the "?test" query string parameter -->
   <script src="tests/runner.js"></script>