Merge pull request #2218 from sspans/sspans-bindany

add support for non-local binds

diff --cc docs/markdown/authoritative/settings.md
Simple merge

diff --cc docs/markdown/recursor/settings.md
Simple merge

diff --cc pdns/common_startup.cc
Simple merge

diff --cc pdns/nameserver.cc
Simple merge

diff --cc pdns/pdns.conf-dist
Simple merge

diff --cc pdns/pdns_recursor.cc
Simple merge

diff --cc pdns/tcpreceiver.cc
Simple merge