Country access check 1.6

Country access check v1.6 changes:

Added option to use GeoIp2 library.

Country access check v1.5 changes:

Prevent server error if ipapi.com site is not accessible.

Country access check v1.4 changes:

Now properly extending class.

Country access check v1.3 changes:

Added countryaccesscheck_error phrase.

Country access check v1.2 changes:

Added Country access check link to account menu.

Country access check v1.1 changes:

Fixed typo in results page.