Fix switching running/cached apps with memory bar

Fixes upstream issue #38735
http://code.google.com/p/android/issues/detail?id=38735

Ported from CM10
http://review.cyanogenmod.org/25775

This patch is already submitted to AOSP. No feedback from them yet.

Change-Id: I484e30d3fd4f5425e174911ae22bb2def170e6b8
FindBugs: Call to equals() comparing different types

Change-Id: If4185f9eec0adfa47a6741eb21111b6cdafac008
Italian translation for Settings (Update)

Change-Id: I02d44732f5d4efb70792075dab4bc5d2589ca514

Conflicts:
	res/values-it/strings.xml