Add proper copyright headers

Makefile.in

@@ -1,3 +1,21 @@
+# This file is part of telegram-purple
+#
+# 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 2 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, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111-1301  USA
+#
+# Copyright Matthias Jentsch, Vitaly Valtman, Christopher Althaus, Markus Endres 2014-2015
+
 srcdir=@srcdir@
 prefix=@prefix@
 datarootdir=@datarootdir@

Makefile.mingw

@@ -1,3 +1,21 @@
+# This file is part of telegram-purple
+#
+# 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 2 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, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111-1301  USA
+#
+# Copyright Matthias Jentsch, Vitaly Valtman, Christopher Althaus, Markus Endres, Eion Robb 2014-2015
+
 srcdir=.
 gettext_package=telegram-purple
 

Makefile.tgl.mingw

@@ -1,3 +1,21 @@
+# This file is part of telegram-purple
+#
+# 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 2 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, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111-1301  USA
+#
+# Copyright Matthias Jentsch, Vitaly Valtman, Christopher Althaus, Markus Endres, Eion Robb 2014-2015
+
 srcdir=.
 
 SCHEME_VERSION = 38

config.h.mingw

@@ -1,3 +1,21 @@
+# This file is part of telegram-purple
+#
+# 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 2 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, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111-1301  USA
+#
+# Copyright Matthias Jentsch, Vitaly Valtman, Christopher Althaus, Markus Endres, Eion Robb 2014-2015
+
 /* config.h.  Generated from config.h.in by configure.  */
 /* config.h.in.  Generated from configure.ac by autoheader.  */
 

config.h.tgl.mingw

@@ -1,3 +1,21 @@
+# This file is part of telegram-purple
+#
+# 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 2 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, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111-1301  USA
+#
+# Copyright Matthias Jentsch, Vitaly Valtman, Christopher Althaus, Markus Endres, Eion Robb 2014-2015
+
 /* config.h.  Generated from config.h.in by configure.  */
 /* config.h.in.  Generated from configure.ac by autoheader.  */
 

configure.ac

@@ -1,3 +1,21 @@
+# This file is part of telegram-purple
+#
+# 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 2 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, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111-1301  USA
+#
+# Copyright Matthias Jentsch, Vitaly Valtman, Christopher Althaus, Markus Endres 2014-2015
+
 #                                               -*- Autoconf -*-
 # Process this file with autoconf to produce a configure script.
 

telegram-purple.nsi

@@ -1,5 +1,22 @@
-; Script based on the Skype4Pidgin and Off-the-Record Messaging NSI files
+; This file is part of telegram-purple
+;
+; 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 2 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, write to the Free Software
+; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02111-1301  USA
+;
+; Copyright Matthias Jentsch, Eion Robb 2014-2015
 
+; Script based on the Skype4Pidgin and Off-the-Record Messaging NSI files
 
 SetCompress off