[1/2]Show CPU Info

This shows CPU temp (if available) for every core governor + online + freq

Change-Id: Ia75504bef2c028a731b1be2fcd00d42d41534bf9
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

Requires http://review.cyanogenmod.org/#/c/44585/

Change-Id: I42aebc9fc0d3530cf0a3efb4d2139b688707d43d
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>

Conflicts:
	res/values/strings.xml
Add option for switching between UMS and MTP/PTP mode. (2/2)

This adds support for switching between UMS and MTP/PTP.
Settings part (this part) adds option in USB settings (statusbar/notification drawer) for enabling UMS,
and adds setting in Storage menu to enable / disable UMS, this since the USB settings page disappears when enabling UMS.

Forward port from cm-10.2, adjusted for 4.4

Change-Id: I6cf50a41a9a82e40e702f5231ce663636c149613

Conflicts:
	res/values/cm_strings.xml
Removed debug log during calculating directory size

Change-Id: I7b95f0485b8924c1078a3a650943ca4172306680