Merge pull request #824 from esparta/master

[en] Adding a security book
added speaking js
Merge pull request #825 from orzogen/master

added speaking js
Remove duplicate (Speaking JS)
Fixed markdown syntax
Added books in czech language
Merge pull request #826 from grogy/fix-markdown-syntax

Fixed markdown syntax
Merge pull request #827 from grogy/czech-books

Added books in czech language
add a software architecture book
Merge pull request #828 from alrz/patch-1

add a software architecture book
Fixes #819
Add an HTML and CSS Resource - Code a personal splash page in 1 hour: A Hands-on Intro to HTML & CSS
Update free-programming-books-pt_BR.md

Adicionado curso em vídeo de HTML5
Update free-programming-books-pt_BR.md
Merge pull request #831 from wbecher/patch-2

Update free-programming-books-pt_BR.md
[pt_BR] Fixes #830 - @webcher
Add a section to put free courses that aren't in the 'book' format (video/etc)
Move the free video courses listed under free-programming-books.md, to the free-courses-en.md file
Merge pull request #833 from kenmazaika/splash-page

free-course-en init
[es] Adding book on software enginieering