Reverted twig change.

src/Packagist/WebBundle/Resources/views/Web/index.html.twig

@@ -5,7 +5,7 @@
     {% for package in packages %}
         <section class="package">
             <h2><a href="{{ url('view', { 'id' : package.id }) }}">{{ package.name }}</a></h2>
-            {% if package.versions is not empty %}
+            {% if package.versions[0] is defined %}
                 <p class="description">{{ package.versions[0].description }}</p>
                 <p class="license">License: {{ package.versions[0].license|default("Unknown") }}</p>
                 <p class="links">

src/Packagist/WebBundle/Resources/views/Web/view.html.twig

@@ -2,7 +2,7 @@
 
 {% block content %}
     <h1>Viewing package {{ package.name }}</h1>
-    {% if package.versions is not empty %}
+    {% if package.versions[0] is defined %}
         {% for version in package.versions %}
             <h2>Version {{ version.version }}</h2>
 	        <p class="description">{{ version.description }}</p>