Italian translation: update

Sync'ed with 2e9f54b898ad757f98a40b627ab41eb7e2f7c3bb
Create a proper database upgrade method rather than dropping all tables.
Merge remote-tracking branch 'upstream/master'
Add comments regarding updating the database.
Fix order of columns
Merge branch 'Corly-master'
Merge branch 'zetok-translation'
Merge branch 'Ansa89-patch-2'
Changing version number
Fix wrong column
Update README.md

New version of Android Studio
New version of SDK Tools
Remove unnecessary condition in the query of updating an unsent message.
Minor housekeeping
Better way to create an inflater.
Update README.md

Probably not the most used phone, but you just might be the one guy with the Desire wondering if it'll work for you.
Also please use no commas unless listing multiple items, use (brackets) here instead.
Change the format of updateUnsentMessage method and fix the id getter of getUnsentMessages.
Merge branch 'Corly-master'
Merge branch 'patch-1' of https://github.com/notadecent/Antox into notadecent-patch-1
Merge branch 'notadecent-patch-1'
Merge branch 'Proplex-master'