Update copyright information in the documentation and gc.h files

* AUTHORS: Add info about the maintainer.
* README.QUICK: Update header copyright (add Ivan Maidanski).
* include/gc.h: Likewise.
* README.md (Copyright & Warranty): Update copyright (add the
missing copyrights from the source code files).
* doc/gc.man (.TH): Update modification date.
* doc/gc.man (.SH AUTHOR): Update; add reference to AUTHORS file.

AUTHORS

@@ -2,6 +2,8 @@ This is an attempt to acknowledge contributions to the garbage collector.
 Early contributions also mentioned (duplicated) in ChangeLog file; details of
 later ones should be in "git log".
 
+Currently maintained by Ivan Maidanski.
+
 HISTORY -
 
   Early versions of this collector were developed as a part of research

README.QUICK

@@ -2,6 +2,7 @@ Copyright 1988, 1989 Hans-J. Boehm, Alan J. Demers
 Copyright (c) 1991-1995 by Xerox Corporation.  All rights reserved.
 Copyright (c) 1996-1999 by Silicon Graphics.  All rights reserved.
 Copyright (c) 1999-2001 by Hewlett-Packard. All rights reserved.
+Copyright (c) 2009-2018 Ivan Maidanski
 
 THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
 OR IMPLIED.  ANY USE IS AT YOUR OWN RISK.

README.md

@@ -556,14 +556,27 @@ GitHub.
  * Copyright (c) 1991-1996 by Xerox Corporation.  All rights reserved.
  * Copyright (c) 1996-1999 by Silicon Graphics.  All rights reserved.
  * Copyright (c) 1999-2011 by Hewlett-Packard Development Company.
+ * Copyright (c) 2009-2018 Ivan Maidanski
 
-The files pthread_stop_world.c and pthread_support.c are also
+The files pthread_stop_world.c, pthread_support.c and some others are also
 
  * Copyright (c) 1998 by Fergus Henderson.  All rights reserved.
 
-The files Makefile.am, and configure.in are
+The file gc.h is also
 
-* Copyright (c) 2001 by Red Hat Inc. All rights reserved.
+ * Copyright (c) 2007 Free Software Foundation, Inc
+
+The files Makefile.am and configure.ac are
+
+ * Copyright (c) 2001 by Red Hat Inc. All rights reserved.
+
+The files msvc_dbg.c and msvc_dbg.h are
+
+ * Copyright (c) 2004-2005 Andrei Polushin
+
+The file initsecondarythread.c is
+
+ * Copyright (c) 2011 Ludovic Courtes
 
 Several files supporting GNU-style builds are copyrighted by the Free
 Software Foundation, and carry a different license from that given

doc/gc.man

@@ -1,4 +1,4 @@
-.TH BDWGC 3 "2 October 2003"
+.TH BDWGC 3 "22 July 2018"
 .SH NAME
 GC_malloc, GC_malloc_atomic, GC_free, GC_realloc, GC_enable_incremental, GC_register_finalizer, GC_malloc_ignore_off_page, GC_malloc_atomic_ignore_off_page, GC_set_warn_proc \- Garbage collecting malloc replacement
 .SH SYNOPSIS
@@ -100,4 +100,4 @@ The malloc(3) man page.
 .LP
 .SH AUTHOR
 Hans-J. Boehm (boehm@acm.org).
-Some of the code was written by others, most notably Alan Demers.
+Some of the code was written by others (see the AUTHORS file for the details), most notably by Alan Demers, and, recently, Ivan Maidanski.

include/gc.h

@@ -5,6 +5,7 @@
  * Copyright 1999 by Hewlett-Packard Company.  All rights reserved.
  * Copyright (C) 2007 Free Software Foundation, Inc
  * Copyright (c) 2000-2011 by Hewlett-Packard Development Company.
+ * Copyright (c) 2009-2018 Ivan Maidanski
  *
  * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
  * OR IMPLIED.  ANY USE IS AT YOUR OWN RISK.