Declare compatibility with 3.1
Basic 3.1 compatibility
Update templates for 3.1 syntax
config system changes
Revert "MINOR Removed the country dropdown field due to the framework has removed the CountryDropdownField"

This reverts commit cbe1dce4ff08476a19e4bdea9d12da4e6cd55ad0.
BUG Update allowed_actions on frontend Controller.
Enable actions for form reports