Update some copyright notices: it is now 2008.

Makefile.am

acinclude.m4

configure.in

src/common/aes.c

src/common/aes.h

src/common/compat.c

src/common/compat.h

src/common/container.c

src/common/container.h

src/common/crypto.c

src/common/crypto.h

src/common/log.c

src/common/log.h

src/common/mempool.c

src/common/mempool.h

src/common/test.h

src/common/torgzip.c

src/common/torgzip.h

src/common/torint.h

src/common/tortls.c