fix bug where sorting always default to _score
delete un-needed aggregations in response
enable random scoring in elastic
remove unused links
change the top bar
add search to top bar
and other css minor changes
more minor ui edits
larger search blurb
don't show the top search on front page
simplified front page
polishing off the front page
friendlier msg if no results
Merge branch 'feature-nicer-ui' into develop