Fix up copyright and license notices for St

* Make sure all source files have a LGPL copyright header, and standardize
  non-standard variations of the header to a common form.

* Check and update all copyright notices.

* Remove 'Written By:' lines. They are universally incomplete and
  typically indicate only who started a particular file.

https://bugzilla.gnome.org/show_bug.cgi?id=634550

src/st/st-table.c

@@ -3,6 +3,8 @@
  * st-table.c: Table layout widget
  *
  * Copyright 2008, 2009 Intel Corporation.
+ * Copyright 2009, 2010 Red Hat, Inc.
+ * Copyright 2009 Abderrahim Kitouni
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms and conditions of the GNU Lesser General Public License,
@@ -14,12 +16,7 @@
  * more details.
  *
  * You should have received a copy of the GNU Lesser General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- * Boston, MA 02111-1307, USA.
- *
- * Written by: Thomas Wood <thomas@linux.intel.com>
- *
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
 /**