@navbar-padding-vertical only used for .navbar-brand / .navbar-text not for links

Created by: bassjobsen

The padding of .navbar-brand will be set by @navbar-padding-vertical but the padding of the navbar links (.navbar-nav > li >) will be set by ((@navbar-height - @line-height-computed) / 2);

See also: http://stackoverflow.com/questions/19890700/change-navbar-height-in-bootstrap3/19895510 and https://github.com/twbs/bootstrap/issues/11443