teach plugins with dependencies to behave

test_data/themes/notmyidea/templates/analytics.html

@@ -0,0 +1,12 @@
+{% if GOOGLE_ANALYTICS %}
+    <script type="text/javascript">
+    var _gaq = _gaq || [];
+    _gaq.push(['_setAccount', '{{GOOGLE_ANALYTICS}}']);
+    _gaq.push(['_trackPageview']);
+    (function() {
+        var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
+        ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
+        var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
+    })();
+    </script>
+{% endif %}