Update the copyright notice in files ending in '.in' because the
script change-copyright-year did not handle them.
Update the script as well.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@14087 a5019735-40e9-0310-863c-91ae7b9d1cf9
BZ 330257 has been fixed in r14055.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@14088 a5019735-40e9-0310-863c-91ae7b9d1cf9