- Make block metadata use the same style as other new pages
- Abstract tx fetching code
- make /block/latest redirect to top height
- Add "Show raw details" for blocks
- Make searching by block height properly redirect
This works and displays a little differently than before:
- Only one search box for block/tx/SN instead of one for block/tx and
one for SN
- Put the search box at the top right when the page is wide enough.
- When a search result is found we redirect to its proper URL rather
than displaying on the search URL