Update Slovak translation
Updated Logger.php to make constructor accept Traversable objects
Fixed NULL value throwing InvalidArgumentException in Zend\Log\Logger::__construct()
Changed conditional to PSR-2 format. Refactored to remove duplicate array check.
Removed trailing spaces with php-cs-fixer
Merge pull request #5227
Merge pull request #5227 in master
Merge pull request #5190
Merge pull request #5190 in master