Update emails/links due to project site transition

* AUTHORS: Update email.
* README.md: Update links to BDWGC/libatomic_ops site.
* doc/README_stack.txt: Likewise.
* README.md: Update mailing list info.
* configure.ac: Likewise.

AUTHORS

@@ -15,7 +15,7 @@ Emmanuel Stapf <manus@eiffel.com>
 Gilles Talis <gilles.talis@gmail.com>
 Gregory Farnum <gregory.farnum@dreamhost.com>
 H.J. Lu <hjl.tools@gmail.com>
-Hans Boehm <Hans.Boehm@hp.com>
+Hans Boehm <boehm@acm.org>
 Hans-Peter Nilsson <hp@gcc.gnu.org>
 Ian Wienand <ianw@gelato.unsw.edu.au>
 Ivan Maidanski <ivmai@mail.ru>

README.md

@@ -3,8 +3,8 @@
 This is version 7.5.0 of libatomic_ops.
 
 You might find a more recent version
-[here](http://www.hpl.hp.com/personal/Hans_Boehm/gc), or
-[here](http://www.hpl.hp.com/research/linux/atomic_ops/).
+[here](http://www.hboehm.info/gc/), or
+[here](https://github.com/ivmai/libatomic_ops).
 
 
 ## Overview
@@ -26,7 +26,7 @@ allow you to write code:
 For details and licensing restrictions see the files in the "doc"
 subdirectory.
 
-Please address bug reports [here](mailto:gc@linux.hpl.hp.com).
+Please address bug reports to [mailing list](mailto:bdwgc@lists.opendylan.org).
 
 
 ## Installation and Usage

configure.ac

@@ -1,5 +1,5 @@
 # Process this file with autoconf to produce a configure script.
-AC_INIT([libatomic_ops],[7.5.0],gc@linux.hpl.hp.com)
+AC_INIT([libatomic_ops],[7.5.0],bdwgc@lists.opendylan.org)
 
 AC_PREREQ(2.61)
 AC_CANONICAL_TARGET([])

doc/README_stack.txt

@@ -18,8 +18,7 @@ to the data structure.
 For details see:
 
 Hans-J. Boehm, "An Almost Non-Blocking Stack", PODC 2004,
-http://portal.acm.org/citation.cfm?doid=1011767.1011774, or
-http://www.hpl.hp.com/techreports/2004/HPL-2004-105.html
+http://portal.acm.org/citation.cfm?doid=1011767.1011774
 (This is not exactly the implementation described there, since the
 interface was cleaned up in the interim.  But it should perform
 very similarly.)