Settings: Update italian translation

	Add a bunch of untranslated strings
	Strip away comments and empty lines

Change-Id: I8b5c88d6f13ddcc9c2f3a075cd3b45ddd71bb399
Merge "Settings: Update italian translation" into cm-10.1
Merge branch 'cm-10.1' of git://github.com/CyanogenMod/android_packages_apps_Settings into cm-10.1