Added 'Mature Optimization'

Mature Optimization is a free ebook that was an internal performance handbook for facebook.
Merge pull request #370 from kyleboon/patch-1

Added 'Mature Optimization'
Object Oriented && Java 5 (II Edizione) - Claudio De Sio Cesari

Ebook on Java, OOP and UML. 
Rif. http://www.claudiodesio.com/ for related downloads.
Merge pull request #371 from pac37/master

Object Oriented && Java 5 (II Edizione) - Claudio De Sio Cesari
html5 from scratch
[es] +1 on Java OOP course
Programming books in Bulgarian
Add books in Bulgarian
.md books in Bulgarian
[ja] Add 3 books: Python*2, JavaScript
Merge pull request #372 from johand/html5fs

html5 from scratch
Merge pull request #373 from esparta/master

[es] +1 on Java OOP course
Merge pull request #374 from luminousspice/ja

[ja] Add 3 books: Python*2, JavaScript
Rename Chinese list according to ISO code
«a2», ex «Appunti di informatica libera», ex «Appunti Linux»

Sorted notes for the beginner who wants to study free software, written in Italian language.
Merge pull request #376 from pac37/master

«a2», ex «Appunti di informatica libera», ex «Appunti Linux»
fix less natural Chinese titles
Merge pull request #377 from Jokester/fix_chinese_titles

Fix less natural Chinese titles
Removida separação da lista em "Front-End" e "Back-End", pois a lista não se restringe a desenvolvimento web.
Links e itens da lista ordenados alfabeticamente, aderindo ao padrão das outras listas.

Removed list's division into "Front-End" and "Back-End" itens, since it's not restricted to web development.
Links and itens were ordered alphabetically, following the standard from most other lists.
Adicionado um livro de Git e outro de LaTeX

Added a Git and a Latex book.