[Menu] Support for sub menus in vertical text menus

[xeophin]

Would be nice to have – the current implementation has inconsistent padding and margins with the combination of an active item in a sub menu in a vertical text menu. As an example, see here (in the footer, menu "Games").

JSFiddle

[jlukic]

Fiddle appears broken but I understand the issue

[jlukic]

Fixed in 2.1