Fix some copyright notices:
- extend some to 2007
- use njn@valgrind.org instead of njn25@cam.ac.uk
- use "tool" instead of "skin"


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@6703 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/massif/ms_main.c b/massif/ms_main.c
index 6c9ab89..6fa430b 100644
--- a/massif/ms_main.c
+++ b/massif/ms_main.c
@@ -1722,7 +1722,8 @@
    VG_(details_name)            ("Massif");
    VG_(details_version)         (NULL);
    VG_(details_description)     ("a space profiler");
-   VG_(details_copyright_author)("Copyright (C) 2003, Nicholas Nethercote");
+   VG_(details_copyright_author)(
+      "Copyright (C) 2003-2007, Nicholas Nethercote");
    VG_(details_bug_reports_to)  (VG_BUGS_TO);
 
    // Basic functions