Update copyright for 2016

src/test/modules/test_ddl_deparse/test_ddl_deparse.c

src/test/modules/test_rls_hooks/test_rls_hooks.c

src/test/modules/test_rls_hooks/test_rls_hooks.h

src/test/modules/test_shm_mq/setup.c

src/test/modules/test_shm_mq/test.c

src/test/modules/test_shm_mq/worker.c

src/test/modules/worker_spi/worker_spi.c