Update Zend_Validate.php

Upgrade to ZF2 validators based on those from ZF1. First of all swap "%value%" to "Podana wartość"/"The Input". New validators have not been translated (Zend\I18n\Validator\DateTime , Zend\I18n\Validator\PhoneNumber , Zend\Validator\Csrf , Zend\Validator\DateStep , Zend\Validator\Explode ,Zend\Validator\IsInstanceOf , Zend\Validator\Step , Zend\Validator\Uri  )
Merge pull request #4883 from cobyl/patch-1

Update Zend_Validate.php
Merge branch 'hotfix/4883'

Close #4883