Point to the new mailing list by replacing the old link

README.md

···
 
 Communication:
 
-* [Mailing list](http://lists.science.uu.nl/mailman/listinfo/nix-dev)
+* [Mailing list](https://groups.google.com/forum/#!forum/nix-devel)
 * [IRC - #nixos on freenode.net](irc://irc.freenode.net/#nixos)

doc/quick-start.xml

···
 
   <listitem>
     <para>Optionally commit the new package and open a pull request, or send a patch to
-    <literal>[e-mail]</literal>.</para>
+    <literal>https://groups.google.com/forum/#!forum/nix-devel</literal>.</para>
   </listitem>
 
 

nixos/doc/manual/manual.xml

···
 
     <para>If you encounter problems, please report them on the
     <literal
-    xlink:href="http://lists.science.uu.nl/mailman/listinfo/nix-dev">[e-mail]</literal>
+    xlink:href="https://groups.google.com/forum/#!forum/nix-devel">nix-devel</literal>
     mailing list or on the <link
     xlink:href="irc://irc.freenode.net/#nixos">
     <literal>#nixos</literal> channel on Freenode</link>.  Bugs should