This commit fixes the expand/collapse elements on the result page not fu...

This commit fixes the expand/collapse elements on the result page not fuvascript third and deletes links to duplicated assets in the header section of application.html.erb 2) deletes the extra html tag inside the header of the same file and fixes the indentation 3) deletes the duplicated assets in the assets directory
Because we're using multi-line `<li>`s here, I think there should be a line between each of them for clarity.