twbs/bootstrap — pull request #14630 by DocX (2014-09-16 10:55:37+00:00)
Title: added optinal grid-columns override argument to grid mixins

In some cases there is need to have localy different number of columns in grid. Added optional argument to columns grid mixins to enable definition of columns with specific number of columns in the grid they are in. For example it is very handy when 5 columns grid is needed without need to change grid columns of whole page.