LMDB-based very high performance backend
implement CNAME following when requested from Lua.
add little comment to guard against overly simple fix for slow qsize-q metric
implement DNAME. Probably some rough edges.
document DNAME flag
also enable DNAME during oracle testing
also enable DNAME during goracle testing
gmysql schema update improvements
gpgsql schema update improvements
add 3.0 -> 3.1 db changes to update schemes
gsqlite schema update improvements
Merge pull request #1362 from mind04/update

Update schema
Merge branch 'lmdb-back' of https://github.com/mzealey/pdns into mzealey-lmdb-back

Conflicts:
	.travis.yml
silence bunch of warning in lmbdbbackend
add missing ' to error message
cleanup gsql-master regression test scripts
remove duplicate code from gsql-master test scripts
fix axfr source for goracle-slave tests
add postgress-slave mode to regression tests
use pdnssec for tsig keys and metadata in tests