Add 2 ebooks free about javascript
Merge branch 'master' of https://github.com/vhf/free-programming-books
delete repeated book (asm paul carter)

it's listed under "ensamblador"
Alphabetizing the ebooks in section about Javascript(PT-BR)
Merge branch 'master' of https://github.com/vhf/free-programming-books
Merge pull request #663 from mgaitan/patch-2

delete repeated book (asm paul carter)
Delete duplicate Django entry for Tango With Django
[es] Added Python book for beginners
Merge pull request #667 from rnevius/master

Delete duplicate Django entry for Tango With Django
[de] Adding Programmiereinführung mit Python
[en] Introduction to programming with Python
Merge pull request #668 from esparta/master

[es] [en] [de] Introduction to programming with Python
Add two lines in the end section javascript
Merge branch 'master' of https://github.com/vhf/free-programming-books
Merge pull request #662 from NandoKstroNet/master

Add 2 ebooks about javascript