Whitespace
Backport changes made to bootstrap.css

The less files weren't updated in
https://github.com/scaleconf/scaleconf.github.com/commit/aeb7c46157e419f7d443996367bad25bb7211234#diff-3224ae3f62195e1915c55c8982e54794
and
https://github.com/scaleconf/scaleconf.github.com/commit/18abfc40bbc22148f5ca033d73f346dd81ba806f#diff-3224ae3f62195e1915c55c8982e54794

This ports those changes back into less
Merge pull request #105 from adrianmoisey/less

Backport changes made to bootstrap.css into scaleconf.less