Merge remote-tracking branch 'dgoulet/ticket27471_035_02'

changes/ticket27471

src/core/or/circuitlist.c

src/core/or/circuitlist.h

src/feature/hs/hs_cache.c

src/feature/hs/hs_client.c

src/feature/hs/hs_client.h

src/feature/rend/rendservice.c

src/test/test_hs_client.c