IT translation

Italian translation for Paranoid Android OTA 2.0 application.

PS1: IT translation
PS2: fix Apostrophe

Apostrophe should work now, like it is described there:
http://developer.android.com/guide/topics/resources/string-resource.html#FormattingAndStyling

Change-Id: I2a84e0859eeaddbbc56b1188d0e9dce365edb267