debian/copyright: Really mention all upstream files. Drop information for not-anymore-existing files.

debian/copyright

@@ -146,12 +146,8 @@ Copyright: 1999-2000, Red Hat Inc.
            2007, Novell, Inc.
 License: LGPL-2+
 
-Files: doc/dbus/spec-to-docbook.xsl
-Copyright: 2007-2008, William Jon McCann
-License: GPL-2+
- Using license from COPYING file.
-
 Files: po/*.po
+       po/gnome-copyrights.txt
 Copyright: 2004, Zuza Software Foundation
            2006-2007, Rosetta Contributors and Canonical, Ltd.
            2004-2006, Miloslav Trmac <mitr@volny.cz>
@@ -169,7 +165,8 @@ License: GPL-2+
 Comment:
  Using license from COPYING file.
 
-Files: data/*.ui
+Files: .tx/config
+       data/*.ui
        data/*.desktop.in*
        data/*.xml.in*
        data/*.convert
@@ -180,8 +177,8 @@ Files: data/*.ui
        doc/dbus/mate-session.xml.in
        doc/dbus/spec-to-docbook.xsl
        doc/man/*.1
-       mate-session/gsm-marshal.c
+       mate-session/README
-       mate-session/gsm-marshal.h
+       mate-session/gsm-marshal.list
        mate-session/*.xml
        po/LINGUAS
        po/POTFILES.*
@@ -207,7 +204,14 @@ Files: data/*.ui
        doc/Makefile.am
        doc/dbus/Makefile.am
        egg/Makefile.am
+       AUTHORS
+       COPYING
+       ChangeLog
+       HACKING
+       MAINTAINERS
        Makefile.am
+       NEWS
+       README
        mate-session/Makefile.am
        tools/Makefile.am
        autogen.sh