added GPLv3 disclaimer to everything.

configure.ac

@@ -1,4 +1,25 @@
 # -*-sh-*-
+#
+#    This file is part of Pretty Curved Privacy (pcp1).
+#
+#    Copyright (C) 2013 T.Linden.
+#
+#    This program is free software: you can redistribute it and/or modify
+#    it under the terms of the GNU General Public License as published by
+#    the Free Software Foundation, either version 3 of the License, or
+#    (at your option) any later version.
+#
+#    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, see <http://www.gnu.org/licenses/>.
+#
+#    You can contact me by mail: <tlinden AT cpan DOT org>.
+#
+
 AC_PREREQ(2.61)
 AC_INIT(pcp, `cat VERSION`)
 AC_CONFIG_AUX_DIR(config)