twitter/bootstrap — pull request #6498 by bzx (2013-01-08 14:57:36+00:00)
Title: fix .brand alignment in .navbar-fixed-* when using .container-fluid

when using .container-fluid, in a non-fixed navbar, the brand has a negative margin to align to text further down on the page, but in a fixed navbar this negative margin should be cleared so that the alignment is in place.