fix __ in SQL update statement
make sure we don't encode the root label in EDNS0 for root queries as c00c, upsets auth servers - reported by jens link
should fix #1662, reloading while checking for domains that need to be notified in BIND, causing lock
Merge pull request #1673 from PowerDNS/bindunlock

should fix #1662, reloading while checking for domains that need to be n...
skip TCP_DEFER_ACCEPT on platforms that do not have it (like FreeBSD); fixes #1658
note pgsql dbname/user change, thanks @saltsa
move into right section, thanks @mind04
following up to the OPT label compression fix, guarantee that no future optimisation will re-introduce that bug
relro, stack-protector and pie compile flags