Show article reply button again. Remove old horizontal reply button CSS.
Place user specific data in separate <script> tag

So it'll be easier to cache page specific stuff.
Make unencodeHtmlContent() work with JSON data > 65536 chars.
Cache HTML for whole pages.
Add margin below folded comments.
Make vertical one column layout work again, ?2d=true.
Remove old HTML version of page, remove extra <div.container>.
Port multireplies to React.