dlang.org redesign n+2 (the one with the bold red vertical menu)

[anonymous via Digitalmars-d]

I've started making pull requests from this, beginning with 
simpler changes. The big red bar is not among them yet. Some have 
already been merged.

Here are the ones that are still open, roughly sorted by level of 
controversy:

use user preference for font-size #828:
   https://github.com/D-Programming-Language/dlang.org/pull/828

remove underlines from links #831:
   https://github.com/D-Programming-Language/dlang.org/pull/831

fancy tables #830:
   https://github.com/D-Programming-Language/dlang.org/pull/830

de-emphasize DConf a little #833:
   https://github.com/D-Programming-Language/dlang.org/pull/833

turn list items of Convenience/Power/Efficiency to paragraphs 
#837:
   https://github.com/D-Programming-Language/dlang.org/pull/837

fix grammar #838:
   https://github.com/D-Programming-Language/dlang.org/pull/838