zendframework/zf2#6678 - timezone validator constructor simplification
zendframework/zf2#6678 - timezone validator constructor simplification

zendframework/zend-validator,akrabat/zend-validator,ezimuel/zend-validator,weierophinney/zend-validator,svycka/zend-validator,zf2timo/zend-validator,Maks3w/zend-validator