Update the year in the copyright notice.

acinclude.m4

src/include/kom-config.h

src/include/server/smalloc.h

src/libraries/libmisc/s-string.h

src/server/admin.c

src/server/aux-items.c

src/server/conf-file.h

src/server/conference.c

src/server/internal-connections.h

src/server/param.h

src/server/person.c

src/server/testsuite/Makefile.am

src/server/testsuite/config/prot-a.exp

src/server/testsuite/l2g.0/00.exp

src/server/testsuite/l2g.0/01.exp

src/server/testsuite/l2g.0/02.exp

src/server/testsuite/l2g.0/03.exp

src/server/testsuite/l2g.0/04.exp

src/server/testsuite/l2g.0/05.exp

src/server/testsuite/l2g.0/06.exp