[es] Added another PHP tutorial
Merge branch 'master' of github.com:vhf/free-programming-books
[es] Added a book about Haskell
[es] Adding jQuery to the list

Adding the jQuery section, and also adding a book abut that.
Merge pull request #665 from matysanchez/patch-1

[es] Adding jQuery to the list
Merge pull request #664 from esparta/master

[es] 2 new books in spanish
Alphabetizing the ebooks in section about Javascript(PT-BR)
Merge branch 'master' of https://github.com/vhf/free-programming-books