Adding Python interactive tutorial
[en] Sorting Machine Learning section
[en] sorting Ada section
[en] sorting Assambly Language section
Merge pull request #924 from esparta/master

[en] some clean on free-programming-book.md
A Chinese translation of 《UNIX TOOLBOX》
Merge pull request #925 from Cupen/patch-1

A Chinese translation of 《UNIX TOOLBOX》
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