Merge branch '3.3-unstable-json'

CHANGELOG.md

MANIFEST.in

Makefile

data/mirrors/Africa

data/mirrors/Australia

data/mirrors/Austria

data/mirrors/Belarus

data/mirrors/Belgium

data/mirrors/Brasil

data/mirrors/Bulgaria

data/mirrors/Canada

data/mirrors/Chile

data/mirrors/China

data/mirrors/Colombia

data/mirrors/Costa_Rica

data/mirrors/Czech

data/mirrors/Denmark

data/mirrors/Ecuador

data/mirrors/France

data/mirrors/Germany