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

...nctioning properly when clicked on by 1) rearranges asset links in the order of meta first, css second, javascript 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
It's generally better to use `<em>` tags instead of `<i>` tags. `<i>` can be interpreted differently across browsers whereas `<em>` is pretty uniform.