Discourage GH issues for support requests

Author: beorn7

content/community.html

@@ -16,7 +16,7 @@ <h1>Community</h1>
     <p>
       <strong>Mailing lists:</strong>
       <ul>
-        <li><a href="https://groups.google.com/forum/#!forum/prometheus-users">prometheus-users</a> – for discussions around Prometheus usage</li>
+        <li><a href="https://groups.google.com/forum/#!forum/prometheus-users">prometheus-users</a> – for discussions around Prometheus usage and community support</li>
         <li><a href="https://groups.google.com/forum/#!forum/prometheus-developers">prometheus-developers</a> – for discussions around Prometheus development</li>
       </ul>
     </p>
@@ -25,7 +25,12 @@ <h1>Community</h1>
       <a href="https://twitter.com/PrometheusIO">@PrometheusIO</a>
     </p>
     <p>
-      <strong>Issue tracker:</strong> We use the GitHub issue tracker for the various <a href="http://github.com/prometheus">Prometheus repositories</a>
+      <strong>Issue tracker:</strong> Use the GitHub issue tracker
+      for the various <a href="http://github.com/prometheus">Prometheus
+      repositories</a> to file bugs and features request.
+      If you need support, please send your questions to the
+      <a href="https://groups.google.com/forum/#!forum/prometheus-users">prometheus-users</a>
+      mailing list rather than filing a GitHub issue.
     </p>
     <p>
       <em>Please do not ask individual project members for