* Collect browser and OS version
* Display browser version
* Show operating system versions
* Device categorization
* Treat headless chrome like a bot
* Ignore events from automated browsers
* Only take major and minor of the version
* Add tests
* Add CHANGELOG entry
* Add changelog entry for bots
* Store empty value as browser when unknown
* Add weekdays to the visitor graph
Abbreviate both weekday and month in order to keep horizontal spacing
roughly the same as it's been.
Closes#175.
* Add note to CHANGELOG
* Ability to add event metadata
* Close Dropdown on outside click
* Show (none) value in metadata breakdown
* Allow filtering for metadata key/val pairs
* Use correct clickhouse_ecto
* Better naming for meta filter
* Add tests
* Add changelog entry
* Remove change made for testing
* Filter by screen size
* Filter by browsers
* Add filter for Operating system
* Add changelog entry
* Add filter for countries
* Add tests for filters
* Show utm_medium, utm_source, and utm_campaign in sources modal
* Allow filtering by UTM tags
* Integrate filters with URL bar
* Add CHANGELOG entry
* Refresh modal when filter changes
* Remove Direct / None from campaign results
* Add UTM tabs to top sources report
* Add pagination
* Remove dropdown from top sources popup
* Fix bug in clickhouse_ecto
* Remove referrers_for_goal
* Make sure UTM tags work OK with goals
* Make source tab selection sticky
* Consistent styling for devices and source tabs
* Add noref in realtime to utm tabs
* Fix tests
* Use clickhouse-ecto for stats
* Use clickhouse ecto instead of low-level clickhousex
* Remove defaults from event schema
* Remove all references to Clickhousex
* Document configuration change
* Ensure createdb and migrations can be run in a release
* Remove config added for debug
* Update plausible_variables.sample.env
