html doc archive  gz -> bz2
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
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
add priority to content for MX and SRV records
remove priority from api tests
remove priority in remote backend
remove priority in recursor
remove priority in geoip backend