View\Helper\Navigation\Menu: added flag to set page class to <li>
Rename addPageClassToLi to addClassToListItem
Merge pull request #4298 from Slamdunk/nav/addPageClassToLi

View\Helper\Navigation\Menu: add flag to set page class to <li>

Conflicts:
	library/Zend/View/Helper/Navigation/Menu.php
[#4298] CS fixes

- Per php-cs-fixer
Merge branch 'feature/4298' into develop

Close #4298