Add a helper class, like .no-gutter, to remove the gutter

[nunoarruda]

It would be helpful to have such class. I'm working on a project were I felt the need for it and it looks like other people are feeling the same: http://stackoverflow.com/questions/16489307/how-to-remove-gutter-space-for-a-specific-div-only-bootstrap

[cvrebert]

Duplicate of #13551.

[mdo]

Pretty straightforward to remove the padding on columns and margin on rows. We won't be adding this at all for v3 and I'm unsure about v4.