tweaks to 404 page and caching

apps/mozorg/middleware.py

@@ -5,7 +5,10 @@ from time import mktime
 class CacheMiddleware(object):
 
     def process_response(self, request, response):
-        if response.status_code != 404 and 'Cache-Control' not in response:
+        cache = (request.method != 'POST' and 
+                 response.status_code != 404 and
+                 'Cache-Control' not in response)
+        if cache:
             d = datetime.datetime.now() + datetime.timedelta(minutes=10)
             stamp = mktime(d.timetuple())
 

templates/404.html

@@ -1 +1,8 @@
-Page Not Found - mozilla.org
+{% extends "base.html" %}
+
+{% block content %}
+<div id="main-content">
+  <h1>Whoops!</h1>
+  We apologize, but this page cannot be found.
+</div>
+{% endblock %}