Merge pull request #882 from psyomn/master

ada: Add 'A Guide to Ada for C and C++ Programmers'
Alphabetize a few more lists
Merge pull request #883 from jwworth/task/alphabetize

Alphabetize a few more lists
Give correct names to the Rails books
Add Node.js and Meteor contents
Merge pull request #884 from caio-ribeiro-pereira/patch-1

Add Node.js and Meteor contents
Merge pull request #885 from komrade/master

Give correct names to the Rails books
Add Node section and one interactive tutorial link
Merge pull request #887 from vishalsodani/master

Add Node section and one interactive tutorial link
no tildes in url. (RFC 3986)

replaced í with i in the url and it still takes me to the same place
even though my browser can interpret í, url_checker cannot do it
yet.
Merge pull request #888 from borgified/no_tildes_in_url_please

replaced í with i in a url (RFC 3986)
Remove broken links
Added Practical Cryptography With Go

In a "Go" section
Merge pull request #889 from pericazivkovic/patch-1

Added Practical Cryptography With Go
Alphabetize Go section
Added egghead.io in free courses
Merge pull request #890 from emanuelsaringan/master

Added egghead.io in free courses
Update free-programming-books-pl.md

Added one free book on Prolog programming
Update free-programming-books.md

Added one book on CLP programming in Prolog
Merge pull request #892 from gakowalski/master

Adding book about Prolog CLP programming (English and Polish)