Improve Package::setupPackageLocalization
Improve Package::setupPackageLocalization

- Remove unused parameter $key
- Add the possibility to accept a Zend translator instance

MichaelMaar/concrete5,MichaelMaar/concrete5,matt9mg/concrete5,avdevs/concrete5,TimDix/concrete5,MichaelMaar/concrete5,avdevs/concrete5,TimDix/concrete5,matt9mg/concrete5,avdevs/concrete5,TimDix/concrete5,matt9mg/concrete5