Merge pull request #2796 from mind04/soaedit

add global soa-edit settings (already in 3.4.7)

diff --cc pdns/common_startup.cc
Simple merge

diff --cc pdns/dbdnsseckeeper.cc
Simple merge

diff --cc pdns/dnsseckeeper.hh
Simple merge

diff --cc pdns/pdnssec.cc
Simple merge

diff --cc pdns/rfc2136handler.cc
Simple merge

diff --cc pdns/tcpreceiver.cc
Simple merge