* Implement the UserId module, that adds a new Users report showing all unique user IDs and some aggregated data. Includes reindexing of raw visitors log into aggregated user ids table
* Update UserId module: add total_actions, total_events and total_searches columns; format dates
* Use an injected model instead of creating a new object
* Rework the UserId plugin to use core archiver instead of custom indexer
* Users report small changes:
- remove logger injection
- change archive record name
- add low population filter
- add all columns visualization
- add datatable_archiving_maximum_rows_userid_users configuration, default value is 50000
* Remove unused method parameter
* Users report: remove custom visualizations and add data-row-metadata attribute for every row
