Make skip link focusable.
Merge pull request #323 from davidakennedy/focusable-skip-link

Make skip link focusable
Removed extra indentation on div#comments
Merge pull request #330 from aahan/patch-2

_s: Removed extra indentation on div#comments to align with closing element.
_s: Simplify skip link markup.
Merge remote-tracking branch 'upstream/master'