Update to install SQL for top administrator permissions. Version change not required as this only affects new installs.
Renamed missing file.
Changed old mysql to new database (accepts multiple db drivers). Added new parameter for db_driver
Update klarna_invoice.php

fix for https://github.com/opencart/opencart/issues/1150
Merge pull request #1161 from HostJars/v1.5.6.1

Changed old mysql to new database (accepts multiple db drivers)
Merge branch 'v1.5.6.1' of https://github.com/opencart/opencart into zgv1.5.6.1