[Validator][#2538] hostname validator overwrite

Close #2538
[Validator][EmailAddress] Refactor getHostnameValidator
Merge branch 'hotfix/3477'

Close #3477
Merge branch 'hotfix/2358-options-overwrite' of git://github.com/Maks3w/zf2 into hotfix/3480
Merge branch 'hotfix/3480' into develop

Forward port #3480