twbs/bootstrap-sass — pull request #724 by DocX (2014-09-16 10:56:54+00:00)
Title: added 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.

(sass sync to https://github.com/twbs/bootstrap/pull/14630)