Merge pull request #13 from StrLght/master

Added one Rust book

free-programming-books.md

@@ -52,6 +52,7 @@
 * [R](#r)
 * [Ruby](#ruby)
 * [Ruby on Rails](#ruby-on-rails)
+* [Rust](#rust)
 * [Scala](#scala)
 * [Scheme](#scheme)
 * [Sed](#sed)
@@ -547,6 +548,11 @@
 * [Ruby on Rails Tutorial: Learn Rails By Example](http://ruby.railstutorial.org/ruby-on-rails-tutorial-book)
 
 
+###Rust
+
+* [Rust for Rubyists](http://www.rustforrubyists.com/book/index.html)
+
+
 ###Scala
 
 * [Exploring Lift](http://exploring.liftweb.net/) (published earlier as "The Definitive Guide to Lift", [PDF](http://groups.google.com/group/the-lift-book))