Settings: PT-BR translations

Change-Id: Ie7e8a9c606364dd0843ebc3612e6874768d63bf7
Settings: Update italian translation

	Add strings for: "Added contact icon" and
	"Volume keys control ringtone volume"

Change-Id: Iac0f5da80433f8ddc97dd136233315fed19593c1
Merge "Settings: PT-BR translations" into cm-10.1
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