Casting Spels in Lisp
Merge pull request #315 from johand/lisp

Casting Spels in Lisp
php books
Merge pull request #316 from johand/php_books

php books
Added Introduction to Programming in Java (http://amzn.to/1aQProF)
Merge pull request #317 from chanchal1987/master

Added 'Introduction to Programming in Java' (http://amzn.to/1aQProF)
Updated with some books
Merge pull request #318 from chanchal1987/master

Added 10 New Books
Update free-programming-books-ja.md
Merge pull request #319 from yuuki5555/patch-1

Add japanese translation of "Learn you some Erlang for great good!"
Add "Guia Rápido de Desenvolvimento para Firefox OS" book and organize lists

The lists were short, disorganized and confused, then I organized by "front-end" and "back-end".
Merge pull request #320 from diessicode/patch-1

Add a new book and organize lists
concevoir des makefile