Point to the new mailing list by replacing the old link

README.md

@@ -38,5 +38,5 @@ For pull-requests, please rebase onto nixpkgs `master`.
 
 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

@@ -212,7 +212,7 @@ $ nix-env -f . -iA libfoo</screen>
 
   <listitem>
     <para>Optionally commit the new package and open a pull request, or send a patch to
-    <literal>nix-dev@cs.uu.nl</literal>.</para>
+    <literal>https://groups.google.com/forum/#!forum/nix-devel</literal>.</para>
   </listitem>
 
 

nixos/doc/manual/manual.xml

@@ -18,7 +18,7 @@
 
     <para>If you encounter problems, please report them on the
     <literal
-    xlink:href="http://lists.science.uu.nl/mailman/listinfo/nix-dev">nix-dev@lists.science.uu.nl</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