Adding Python interactive tutorial
Merge branch 'master' of github.com:vhf/free-programming-books
[en] Sorting Software Architecture section
[en] Sorting Clojure section
[en] Sorting Emacs section
[en] Sorting F# section
[en] Removing entry on free-programming-interactive-tutorials
Merge pull request #926 from esparta/master

[en] more clean on free-programming-books.md