html doc archive  gz -> bz2
don't import supermaster ips from other accounts
reload all lmdb backend threads
init script: support DAEMON_ARGS

Support additional command line parameters by sourcing
/etc/default/pdns and taking DAEMON_ARGS from there.
init script: ensure socket dir exists

This is an old change in Debian that is apparently necessary on some
(newer) systems where the socket dir might vanish on reboot.
Merge pull request #1710 from mind04/supermaster

don't import supermaster ips from other accounts
document udp6-queries, udp4-queries, add rd-queries, recursion-unanswered metrics & document. Closes #1400.
don't link the bindparser into the bindbackend, it causes double static initialization of s_di when loading as a dynmodule, which causes double static deinitialization, which causes crashes. Fixes #1690
hack dependency build order a bit
Merge pull request #1719 from mind04/lmdb

reload all lmdb backend threads
Merge pull request #1679 from mind04/html-bz2

html doc archive  gz -> bz2
Merge pull request #1724 from zeha/f/fix-1149

pdns init script improvements, fixes #1149, closes #1721 (thanks @tuxis-ie as well!)
document 3.4.0-rc2; move rec 3.6.1 behind it
clarify, thanks @mind04
send empty SERVFAIL after a backend throws a DBException
DNAME don't sign the synthesised CNAME
update download url in release notes
Merge pull request #1725 from mind04/servfail

send empty SERVFAIL after a backend throws a DBException
Merge pull request #1726 from mind04/dname

DNAME don't sign the synthesised CNAME
make sure that if we can't reload our configuration file on reload-acls, we don't revert our acls
to the built-in defaults, but retain the old configuration. Closes #1728. Thanks to Andreas Jakum for spotting this issue.