Added book to free-programming-books.md

Included free book by O’Reilly Media to JavaScript.

free-programming-books.md

@@ -244,7 +244,8 @@
 
 
 ###Django
-
+* [Djen of Django](http://agiliq.com/books/djenofdjango/)
+* [Django by Example](http://www.lightbird.net/dbe/)
 
 
 ###Emacs
@@ -318,6 +319,7 @@
 * [OSGi in Practice](http://njbartlett.name/files/osgibook_preview_20091217.pdf) (PDF)
 * [Category wise tutorials - J2EE](http://www.mkyong.com/)
 * [Introduction to Programming Using Java - David J. Eck](http://math.hws.edu/javanotes/index.html)
+* [O’Reilly Programming JavaScript Applications - Early Release](http://chimera.labs.oreilly.com/books/1234000000262/index.html)
 
 
 ###JavaScript
@@ -520,10 +522,8 @@
 * [Natural Language Processing with Python](http://www.nltk.org/book)
 * [Python Bibliotheca](http://openbookproject.net/pybiblio/)
 * [Python for Fun](http://www.openbookproject.net/py4fun/)
-* [Python for you and me](http://pymbook.readthedocs.org/en/latest/)
 * [Snake Wrangling For Kids](http://www.briggs.net.nz/snake-wrangling-for-kids.html)
 * [Think Python](http://www.greenteapress.com/thinkpython/thinkpython.pdf) (PDF)
-* [Python for Informatics: Exploring Information](http://www.pythonlearn.com/book.php)
 
 
 ###R