Add french book "TikZ pour l'impatient", G. Tisseau
Add Arquitectura Solida Java book
Add french book "Asymptote. Démarrage rapide", Grospellier
Fix markdown
Add french book "Un manuel de Metapost", J. Hobby
Add french book "Tracer des graphes avec Metapost", J. Hobby
Update free-programming-books.md

Added in an new book D3 Tips and Tricks
learn X in Y minutes
Add "Computer Science Concepts in Scratch", M. Armoni
Merge pull request #239 from FerPerales/master

Add Arquitectura Solida Java book
Merge pull request #240 from d3noob/patch-1

Update free-programming-books.md
Merge pull request #241 from ericguirbal/fr

Add french books about PGF/TikZ, Metapost and Asymptote
Merge pull request #242 from johand/lxinym

learn X in Y minutes
Merge pull request #243 from ericguirbal/en

Add "Computer Science Concepts in Scratch", M. Armoni
Merge pull request #244 from minsOne/master

Add Korean free-programming-books File
Add 'GNU Emacs Lisp Reference Manual'.
Merge pull request #245 from minsOne/master

Add Node.js API ko docs
Merge pull request #246 from larsbrinkhoff/master

Add 'GNU Emacs Lisp Reference Manual'.
codehero
Merge pull request #247 from johand/c_hero

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