add javascript garden
Update free-programming-books.md

Adding RESTful Web Services book
Ajout du Guide avancé d'écriture des scripts Bash
Link correction
Link correction
Added free eBooks that I am aware of.

I had a blog post here:

http://www.gep13.co.uk/blog/free-ebooks/

which listed some free eBooks that I was aware of.  I have taken the programming related ones, and added them to this list.
Corrected links

Corrected the internal link to the Windows 8 section.
Corrected the external link to Windows Phone Blue Book
Détecter et résoudre les erreurs, extraits du LaTeX compagnion
remettre dans l'ordre
Add Html5, CSS and Javascript Book Blog Link
Merge pull request #285 from minsOne/master

Add Html5, CSS and Javascript Book Blog Link
Merge pull request #283 from gep13/master

Added free eBooks that I am aware of.
Merge pull request #284 from maieul/master

Annexe B du LaTeX Companion + remise en ordre alphabetique des titres
Added Conversational Git book.
Added JavaScript Ebook
Merge pull request #287 from ArunMichaelDsouza/master

Added JavaScript Ebook
Added the tech.pro knockout.js tutorial video series.
Merge pull request #289 from rodrigo-medeiros/master

Added the tech.pro knockout.js tutorial video series.
css book
Added Data-Oriented design free eBook