Release Spot 2.8.5

* NEWS, configure.ac, doc/org/setup.org: Bump version number.

NEWS

-New in spot 2.8.4.dev (not yet released)
+New in spot 2.8.5 (2020-01-04)
 
   Bugs fixed:
 

configure.ac

 # -*- coding: utf-8 -*-
-# Copyright (C) 2008-2019, Laboratoire de Recherche et Développement
+# Copyright (C) 2008-2020, Laboratoire de Recherche et Développement
 # de l'Epita (LRDE).
 # Copyright (C) 2003-2007 Laboratoire d'Informatique de Paris 6
 # (LIP6), département Systèmes Répartis Coopératifs (SRC), Université
@@ -21,7 +21,7 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 AC_PREREQ([2.63])
-AC_INIT([spot], [2.8.4.dev], [spot@lrde.epita.fr])
+AC_INIT([spot], [2.8.5], [spot@lrde.epita.fr])
 AC_CONFIG_AUX_DIR([tools])
 AC_CONFIG_MACRO_DIR([m4])
 AM_INIT_AUTOMAKE([1.11 gnu tar-ustar color-tests parallel-tests])

doc/org/setup.org

 #+OPTIONS: H:2 num:nil toc:t html-postamble:nil ^:nil
 #+EMAIL: spot@lrde.epita.fr
 #+HTML_LINK_HOME: index.html
-#+MACRO: SPOTVERSION 2.8.4
-#+MACRO: LASTRELEASE 2.8.4
-#+MACRO: LASTTARBALL [[http://www.lrde.epita.fr/dload/spot/spot-2.8.4.tar.gz][=spot-2.8.4.tar.gz=]]
-#+MACRO: LASTNEWS [[https://gitlab.lrde.epita.fr/spot/spot/blob/spot-2-8-4/NEWS][summary of the changes]]
-#+MACRO: LASTDATE 2019-12-08
+#+MACRO: SPOTVERSION 2.8.5
+#+MACRO: LASTRELEASE 2.8.5
+#+MACRO: LASTTARBALL [[http://www.lrde.epita.fr/dload/spot/spot-2.8.5.tar.gz][=spot-2.8.5.tar.gz=]]
+#+MACRO: LASTNEWS [[https://gitlab.lrde.epita.fr/spot/spot/blob/spot-2-8-5/NEWS][summary of the changes]]
+#+MACRO: LASTDATE 2020-01-04
 
 #+ATTR_HTML: :id spotlogo
 [[file:spot2.svg]]