Added more resources for Ruby and Ruby on Rails

Conflicts:
	free-programming-books.md

Added more free ebook links for Microsoft Technologies

[ja] Add 5 books and fix escape charatcters for md

Added two links under the hood of Microsoft technologies. The link contains lots of free ebooks by MSDN member Eric Ligman over a variety of topics such as Windows Azure, Windoes Phone Development, SQL Server, Windows 8 app development, Visual Studio Guides, SharePoint, etc

[es] New java book

Added graph theory book

corrected index

Adicionando a apostila da caelum sobre ruby com rails

[es] new spanish books about CS, Java, Algorithms & data structures

Update Real World OCaml link, add few books

Added some books and more magazines.

[es] Added Jorge L. Ortega Arjona notes and tutorials about Teorical Computational Science, Java, algorithms & data structures

Added some magazines and one book.

Added: Messaging as a Programming Model

[JA] Add 3 Clojure books and an Android book

Update free-programming-books.md

- Added some magazines.

- Added the portuguese list of books/magazines;
- Brazilian and Portuguese lists are now diferenciated;