security poll
improve "subversion" idea, add delegation
make sure we don't launch the query distribution thread if configured to run unthreaded
clarify -1 semantics
implement security polling according to docs/security-poll.md
actually add the relevant files
Merge branch 'secpoll' of github.com:ahupowerdns/pdns into secpoll
improve error message on reporting failed secpoll retrieval
Merge branch 'master' of github.com:PowerDNS/pdns into secpoll
recursor security poll is now feature complete. Distributors can set their security domain suffix in PACKAGEVERSION, ie PACKAGEVERSION=3.6.1-2.debian
implement security polling for auth