(Bug 5073) Add skiplinks to the foundation version of the site skins
(Bug 5073) Fix the nav search alignment

* adds space to the right
* remove styling from form elements, make them the same height
* remove alignmen as columns. We don't need the extra alignment /
  spacing within the header search itself
(Bug 5073) Don't show the drag and drop interface for touchscreens
(Bug 5073) Make the header space smaller on tiny screens
(Bug 5073) Fix top bar being cut off at the right in gradation-vert
Merge pull request #566 from afuna/bug5073-misc-fixes

(Bug 5073) Tweaks to site skins (foundation version)