ChangeLog and README entries for the new test suite

Thanks to Julien Voisin <julien.voisin@dustri.org> and David Goulet
<dgoulet@ev0ke.net> for the suite!

ChangeLog

+2014-11-29
+
+	* README:
+	* Makefile.am:
+	* configure.ac:
+	* tests/*: Brand new testsuite, thanks to
+	David Goulet <dgoulet@ev0ke.net> and
+	Julien Voisin <julien.voisin@dustri.org>.
+	"make check" to run it.
+
 2014-11-11
 
 	* b64.c (otrl_base64_otr_encode): In case some future code path

README

@@ -328,6 +328,25 @@ covered by the following (LGPL) license:
     write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
     Floor, Boston, MA 02110-1301 USA
 
+The library comes with a test suite (in the tests directory), which is
+covered by the following (GPL) license:
+
+    Copyright (C) 2014   Julien Voisin <julien.voisin@dustri.org>,
+                         David Goulet <dgoulet@ev0ke.net>
+
+    This program is free software; you can redistribute it and/or modify it
+    under the terms of the GNU General Public License, version 2 only, as
+    published by the Free Software Foundation.
+
+    This program is distributed in the hope that it will be useful, but WITHOUT
+    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+    FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+    more details.
+
+    You should have received a copy of the GNU General Public License along with
+    this program; if not, write to the Free Software Foundation, Inc., 51
+    Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
 The Off-the-Record Messaging Toolkit (in the toolkit directory) is covered
 by the following (GPL) license: