More correctly centered the load more button,
so that when the left panel is resized,
the button remains in the middle.
Additionally, added more comments to the sass.
When there is no input into the search bar
no results are displayed/displayed results
are removed. This is because the search
providers were changed to return empty
arrays for empty search strings.
Starting to modify the front-end so that
the searchbar appears in the tree view
area. Made the tree holder have relative
position so that the searchbar is visibile
for now. (Later will be different.)