Merge branch 'kitkat' of https://github.com/AOSPA/android_packages_apps_Settings into kitkat

Conflicts:
	res/values/pa_strings.xml

Change-Id: Ib47db327000fa2dce7fcbcfb11b4e895b8f57d6b
Settings: use CMHW serial number

See http://review.cyanogenmod.org/57164

Change-Id: If328ca7b487435b88246d1f8c47b04770183f09e
Adds ability to answer call with hardware HOME button

preparation to winter time

Change-Id: I0d22a6fbb92a61f08b50cae5c14d0030b81ee6ec
Storage Settings: Allow user to trigger a volume rescan

This change allows to trigger a rescan of a volume with the next restrictions:
- Internal volumes if they are emulates
- Primary volumes
- Non-Removable volumes

Ported from: http://review.cyanogenmod.org/44586

Change-Id: I7e75a324938d8081fd715f702d50f1fdceabd96d