Added correct plural form for Ukrainian translation
Updated Ukrainian translation in accordance with the latest version of strings in English version
Create Zend_Captcha.php
Merge branch 'hotfix/5370'

Close #5370
Merge pull request #5376 from Maximaximum/master

Updated Ukrainian translation
[#5376] CS fixes

- trailing whitespace
Merge branch 'hotfix/5376' into develop

Forward port #5376