Iniziata revisione
vari cambiamenti al testo
Reviewed chapter 2.4
Reviewed chapter 2.5
Reviewed chapter 2.6
Reviewed chapter 2.7
Update adding-links.rst
Update adding-links.rst
Reviewed chapter 2.8
sistemato link
Tradotto 2.9. 

Il video Plone linkato non esiste più
Update adding-news-items.rst
Update adding-news-items.rst
Reviewed chapter 2.10

Il link allowAnonymousViewAbout non funziona
Reviewed chapter 2.11
Reviewed chapter 2.12
Reviewed chapter 2.13
Reviewed chapter 3.1

Il video Plone non esiste più
Reviewed chapter 3.2
Reviewed chapter 3.3

Il link al video Plone non funziona