Update copyright dates for files not in maint-0.2.1

debian/src-test-test.h

src/common/compat_libevent.c

src/common/sha256.c

src/common/tortls_states.h

src/or/microdesc.c

src/test/test.c

src/test/test.h

src/test/test_addr.c

src/test/test_containers.c

src/test/test_crypto.c

src/test/test_dir.c

src/test/test_util.c