framework/base: Add EdgeGesture service.

Based on code of PieService.

Change-Id: I053737e36340a5ec6814b21eb87575f9689c7e88
PhoneWindowManager: add ability to use EdgeGestureService for system gestures.

Change-Id: Id4e2c0d82f771cd1c20e9196fb6db347494cca69
CidKat: Changes to toggle between CM and KitKat

* Based on Danesh M commit from 10.1
* Always use "K" letter for android version easter egg since
  some devices override BUILD_ID and the letter "J" appears instead of "K"
* Add some padding (left & right) to the Android/CM logo
* Added CM mascot drawables

Todo:
* Make the dream settings work

Screenshots:
http://i.imgur.com/m4B9qby.png
http://i.imgur.com/dNEA7t1.png

Change-Id: I04f7728248854623b364cf54d2e48f461e84b3de
[WIP] Forward port Status Bar interface (1/2)

Signal / Clock / Notification Count
Change-Id: Iecd4bb06b95b14888916331f5d36327f3206aeef

Port "Fix display of mobile status bar icon when using airplane mode"
Change-Id: Icb5b33008f97eaefd67bb4e5acd1e38bcf2dcb70

Forward port from cm-10.2, adjusted for 4.4

Todo:
* Fix notification ticker (we need white ic_notification_overlay.9.png icons)

Change-Id: Iecd4bb06b95b14888916331f5d36327f3206aeef
QuietHours: disable volume change tone during quiet hours

* Its quiet time, you're trying to be quiet, why would the volume
  change make noise when you're being quiet?
* Turn this off when system sounds are disabled during quiet hours

Change-Id: I6c7eb9d52f5dab9349bf2b8f72ddcb0ab45834fa
Keyguard: smooth background change.

Change-Id: Ia0e4d0000db72b5cdb6fede03791805e34fa311d
Show panels on lockscreen in expanded desktop mode.

Change-Id: Iaa2d712130707169c7a08156f8ea5afc247fc4cf
Performance: Add low RAM option (2/2)

* Allow users to choose between more free RAM available vs full KitKat UI features

Change-Id: Ia7f4d5089f400ac7edec0ea3e3beb22c0ad6b8db
Allow disabling the privacy guard notification

Change-Id: I060139f75edb63572f9c3922e56ee871e765c02a
Forward port CM Screen Security settings (1/2)

* Lockscreen Vibrate
* Slide Lock Delay
* Menu Unlock
* Home Unlock
* Variable size pattern lockscreen
* Toggle dots/error pattern visibility

Forward port from cm-10.2, adjusted for 4.4

Change-Id: Ie1ccaec43ca75474e92f96c60e15d7b75796ac5f
Fix multi-user issues.

Change-Id: I44d190f60e87326ab3282c898d94ecc88778f2ab
p2p: Display P2P peer MAC address if device name is empty.

Display MAC address of a P2P peer in an invitation prompt
message on receiving invitation request from the P2P peer
with empty device name.

Change-Id: Icabeb91d666437746eb5a733ec582849eb7295a5
CRs-Fixed: 506109
Clear the scan list when an empty list is received

When the framework receives an empty scan list from supplicant, it does
not clear the local list. So the UI will continue to show the previous
scan list even when there are no APs around. So clear the local list,
when an empty list is received.

CRs-Fixed: 552212
Change-Id: I8715bc31ce0df7bd54c96fcf7d7b73592429f12a