Merge pull request #3767 from ahupowerdns/dnsdist-yaks

Please ponder: nodelay, console newlines, print out json, silence some trivia, move to 'return' for Lua statements

diff --cc pdns/dnsdist-console.cc
Simple merge

diff --cc pdns/dnsdist-lua2.cc
Simple merge

diff --cc pdns/misc.cc
Simple merge

diff --cc pdns/misc.hh
Simple merge