Improve the changelog text

Generate the minified schemas v2.0.2

Add github for the schemas location

Fix warning from the compiler

Bump specs header to v2.0.2

Draft changelog.md

Update version in schemas to 2.0.2

Replace in the schemas all the "enum" with one value by "const"

Fix error in "not" for cjfeature schema

Revert "Autoformat of the json"

Autoformat of the json

Allow CityJSONFeature to have extra properties

Revert the change to make "version" of Extensions not mandatory

Update name of the registry

Extension files have the name of the extension