html doc archive  gz -> bz2
don't import supermaster ips from other accounts
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 NSECx cache to gsql backend