* Add an advanced country filter to the customers report
* Handle PR feedback: Fix PropType warnings, move filter/label logic to config getLabels() function, fix typo.
* Add flag thumbnail to the country filter
* Update README and CHANGELOG
* Add column prefs to the other tables
This adds column prefs to the other remaining report tables.
* Table columns: Override defaults with user prefs.
* table columns: Add remaining analytics tables
* user read/update operation: Combine responses
This combines the response handling for the read and update operations.