Revisions to search page markup & styles

* Add "jump to…" link and anchor to search results page.
* Rework markup to remove "reset search" and add "jump link".
* Re-organize "search-report" container with results count and search actions.
* Move active facets into "search-report" container.
* Rework styles for results to move borders to top instead of bottom.
* New styles to un-border first row of results on non-mobile widths.