LMDB-based very high performance backend
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
add tests new tests to travis.yml
fix feedEnt query
run nodnssec slave tests without the (backend)-dnssec option
Merge pull request #1363 from mind04/fix

cleanup regression test scripts
fix axfr in metadata handling and code cleanup
whitespace