Added entry about how to ask questions

Also fixed mailing list link (although it doesn't seem there's a link to
a subscription page anymore, you have to go through the community
portal).

Close #930.

doc/src/faq.rst

@@ -7,6 +7,30 @@ Here are a few gotchas you may encounter using `psycopg2`.  Feel free to
 suggest new entries!
 
 
+Meta
+----
+
+.. _faq-question:
+.. cssclass:: faq
+
+How do I ask a question?
+    - Have you first checked if your question is answered already in the
+      documentation?
+
+    - If your question is about installing psycopg, have you checked the
+      :ref:`install FAQ <faq-compile>` and the :ref:`install docs
+      <installation>`?
+
+    - Have you googled for your error message?
+
+    - If you haven't found an answer yet, please write to the `Mailing List`_.
+
+    - If you haven't found a bug, DO NOT write to the bug tracker to ask
+      questions. You will only get piro grumpy.
+
+    .. _mailing list: https://www.postgresql.org/list/psycopg/
+
+
 .. _faq-transactions:
 
 Problems with transactions handling

doc/src/install.rst

@@ -1,4 +1,6 @@
-Introduction
+.. _installation:
+
+Installation
 ============
 
 .. sectionauthor:: Daniele Varrazzo <daniele.varrazzo@gmail.com>
@@ -327,5 +329,5 @@ Try the following. *In order:*
   ever and about the quality time you have wasted figuring out the correct
   :envvar:`ARCHFLAGS`. Especially useful from the Starbucks near you.
 
-.. _mailing list: https://lists.postgresql.org/mj/mj_wwwusr?func=lists-long-full&extra=psycopg
+.. _mailing list: https://www.postgresql.org/list/psycopg/
 .. _bug tracker: https://github.com/psycopg/psycopg2/issues