Fix up:port af, use a different var, because utm port af is always AF_INET, and it breaks the target address af if the listening address is AF_INET6
Enable -O2 C flag, because LibreSSL is compiled with -O2 too
- Update copyright to 2015
- Remove the non-standard "unmodified" from the 2-clause BSD license
- Remove scalable from the tagline to avoid misinterpretations
POSIX threads require mutexes to be reinitialized after fork(). Not
doing so will break daemon mode, depending on pthread implementation.
See issue #5.
