Fixing invalid link to a Ruby resource
Re-ordering Ruby resources with official resources at top
Add functional programming with Clojure MOOC
Move to free courses
Merge pull request #1251 from hongchangwu/master

Add free course - Functional programming with Clojure
looks good, thanks!
Merge pull request #1243 from akshaymohite/master

Fixed a broken link + Reordering Ruby resources
thank you for fixes
Add free Scala courses
Fix link
Add Learn Python, Break Python to English list.
Added python-guide link
Merge pull request #1258 from hongchangwu/scala

Add free Scala courses
Merge pull request #1259 from scotchfield/learnpythonbreakpython

Add Learn Python, Break Python to English list.
Merge pull request #1260 from kaustubhsant/master

Added python-guide link in free-programming-books.md
Add free Haskell course - Introduction to Functional Programming
Merge pull request #1261 from hongchangwu/haskell

Add free Haskell course - Introduction to Functional Programming