add free-programming-books-fa.md and add a book
some edit
edit style
add persian to README.md
Merge pull request #264 from ktkaushik/master

adding backbonejstutorials.com
Formatting fix
Official Free Online Guide for Apache Wicket framework
Merge pull request #265 from mafulafunk/master

Official Free Online Guide for Apache Wicket framework
Update free-programming-books-ko.md

Add GitHub Flavored Markdown
Update free-programming-books-ko.md
Update free-programming-books-ko.md
Merge pull request #266 from minsOne/master

Add GitHub Flavored Markdow
removing duplicate
ruby books
Merge pull request #267 from johand/rbooks

Ruby books
Merge pull request #268 from numb95/master

add persian resource
Add french book "Introduction à Scilab", Baudin, Glebov, Briot
Add german book "Einführung in Scilab/Xcos 5.4", Büch
Add book "Introduction to Scilab", M. Baudin
Add russian book "Введение в Scilab", M. Baudin