"Programming in D" book, decent ebook versions

[Ali Çehreli via Digitalmars-d-announce]

- Removed the unrelated Turkish menu from the English pages

- Improved the ebook formats

- Removed the download page and linked the ebook versions directly from 
the main page instead

I consider these beta quality:

   http://ddili.org/ders/d.en/

(I am not sure why, but you may have to refresh the page in your browser.)

I know that the format needs further improvements but please let me know 
if there are serious issues like some text not showing up at all. 
(Preferably, respond in this thread to avoid duplicate reports.)

Ali