Added updated Looker model and support SQL table of geographic / country references
Added updated LookML models
Updated LookML models to latest version, including new filename conventions
Updated changelog with steps from this release
Updated SQL to be Postgres (rather than Redshift) compatible
Updated filenames _ -> -
Little clean-up
Update CHANGELOG
Split country_codes into 2 tasks
Typo
Merge remote-tracking branch 'origin/looker_upgrade' into develop
Merge branch 'develop'
Started CHANGELOG for tracker-protocol
Added new ticket
Selected and integrated a JSON schema validation tool (z-schema) (#551)
First draft of ad event json schemas
Got z-schema test working with Intern
Now using chai expect module for schema validation.
Schemas now forbid additional properties.
Added tests for ad impression, ad click, ad conversion, and link click events (#554) (#555) (#556)
Added $schema keyword and more schema restrictions. Started to make tests more wide-ranging.
Increased test diversity