Backported most recent MySQLi driver

INSERT/UPDATE/etc. now return bool true like other DB drivers, error
redundancy removed
Fix for SMTP TLS based Auth

https://github.com/opencart/opencart/commit/c14a3c0b1726a4f29e30df054ac26497f5894d1d
Revert "Fix for SMTP TLS based Auth"

This reverts commit ddc293a218ee3983bede644a329c4a968bc14f24.
Update countries and zones.

Added Sint Maarten. Added Isle of Man as a country and to the UK VAT
zone. Added exceptionally reserved and temporary codes for Spanish
Territories Ceuta and Melilla, Ascension Island, Tristan da Cunha and
Kosovo. Removed Netherlands Antilles as no longer needed.

https://github.com/opencart/opencart/pull/1226
Fixed Authorizenet AIM payment address

https://github.com/opencart/opencart/pull/1317
Fix coupon report date filter

https://github.com/opencart/opencart/pull/1339

https://github.com/opencart/opencart/commit/eabbf4bd488565e30fbcbe1c4b1f61ba3584f2a5
Clear bestseller cache on order edit/delete
Turn strict mode off in MySQLi driver

https://github.com/opencart/opencart/commit/30a8371690d89f03c921871ce520a719427d4a4b