Wi-Fi: Manage Wi-Fi AP priorities

AOSP has a basic LRU priority for Wi-Fi networks (last connected has more priority).
This changes added the ability of graphically set the priority of any of the configured
Wi-Fi networks through Settings -> Wi-Fi -> Advanced Settings -> Wi-Fi priority.

Port from cm-10.2:
* Added ic_grabber icons

Signed-off-by: Jorge Ruesga <jorge@ruesga.com>
Signed-off-by: Michael Bestas <mikeioannina@gmail.com>

Change-Id: Ief590e799cdb7ef760b631d0b22d9719f867393f
Lockscreen: Add checkbox for quick unlock

This is the Settings part needed for:
  http://review.cyanogenmod.org/#/c/54898/

Change-Id: Ibd12681a972806da4bd6f87c341ddd404dbabdd1
Merge branch 'cm-11.0' into martincz
Merge branch 'cm-11.0' into martincz