powersaver cpu (1/2)

Change-Id: I5b02b681432148241de83e4185edc190478fd160
turn on cpu powersave

Change-Id: Ied003276885c0db85a349f246652c64e8e7a4221
Settings: update translations

Change-Id: I39ab5fa0a23edf7715f9ed25d944f6f0aa5f20ee