Fix most DOCDOCs remaining and/or added by redox.

src/common/address.h

src/common/compat.c

src/common/container.c

src/common/crypto.c

src/common/crypto.h

src/common/log.c

src/common/memarea.c

src/common/util.c

src/or/buffers.c

src/or/connection.c

src/or/control.c

src/or/directory.c

src/or/dirserv.c

src/or/dirvote.c

src/or/dns.c

src/or/geoip.c

src/or/main.c

src/or/policies.c

src/or/relay.c

src/or/router.c