html doc archive  gz -> bz2
fix geobackend README url, thanks @sspans
revert: fixes PowerDNS/pdns/657 85a41ee7
get a fresh copy of the zone after reload
don't import supermaster ips from other accounts
fix notification for changed zones in bind backend
Merge pull request #1717 from mind04/bind

bind backend fixes
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