Adding a lot of Beej's Guides and their official translations. (#4888)

* Beej's Guide to Network Programming - Using Internet Sockets

Added 9 translations:
Chinese
French
German
Italian
Korean
Brazilian Portuguese
Polish
Russian
Turkish

* Beej's Guide to Python Programming For Beginners

Added translations:
English

* Beej's Guide to Unix Interprocess Communication

Added Translations:
English

* Beej's Guide to C Programming

Adding formats.

* Beej's Guide to the GNU Debugger (GDB)

Added translations:
English
Russian

* Added translator names to the books.

Added Translator name for:
German
Italian
Polish
Brazilian Portuguese
Russian
Turkish
Chinese
No translator name found:
French
Korean

* Added author along with the translation!!

free-programming-books-tr.md

@@ -30,6 +30,7 @@
 
 ### C
 
+* [Beej'in Ağ Programlama Kılavuzu - Internet Soketlerini Kullanarak](http://www.belgeler.org/bgnet/bgnet.html) - B. Hall, Çeviren Emre "FZ" Sevinç (HTML)
 * [C Programlama Diline Giriş](http://www1.gantep.edu.tr/~bingul/c/index.php) - [Ahmet Bingül](http://www1.gantep.edu.tr/~bingul)
 * [Programlamaya Giriş Ders Notları](http://web.itu.edu.tr/uyar/programlama) - [H.Turgut Uyar](http://web.itu.edu.tr/uyar)