[1/2] Add battery level around unlock ring

PS2:
added missing change in KeyguardSelectorView.java

Change-Id: Ia4dbc2335657c096c34349ec67c4adfec0aeb91b
Signed-off-by: Scott <scott@ubuntu>

Conflicts:
	core/java/android/provider/Settings.java

Conflicts:
	core/java/com/android/internal/widget/multiwaveview/GlowPadView.java
	packages/Keyguard/src/com/android/keyguard/KeyguardSelectorView.java
Frameworks: Statusbar clock and date customizations

Some things changed on kitkat + our old code needed in general a bit
rework. All done with this patchset.

This commit add support for:

- Clock and date enable/disable
- Clock and date position
- AM/PM styles multilang support
- color
- Date format
- Date style

Change-Id: I73d854ed5cfb57fa19e4b5554bb10cb2e1ce9b65

Conflicts:
	core/java/android/provider/Settings.java
Add network usage stats to status bar (1/2)
PS2:
Get the time delta between updates and use that to show
average bytes per second.

Change-Id: I63771220333a32063f675e6fc38c9aadb6de4274

Conflicts:
	core/java/android/provider/Settings.java
	packages/SystemUI/res/layout/status_bar.xml
	packages/SystemUI/res/values/dimens.xml
	packages/SystemUI/res/values/styles.xml

Conflicts:
	core/java/android/provider/Settings.java
NetStats: Don't update stats when screen is off

Also moved registering of broadcast receiver and settings
observer to onAttachedToWindow() and unregistering to
onDetachedFromWindow() to avoid these being leaked.

Change-Id: Ia131a0db65c4c762b7f28493e812f9fb21358a27
Network stats custom colors (1/2)

Change-Id: I3c95a70273b111c7776f395f7baa60a77cea95dd

Conflicts:
	core/java/android/provider/Settings.java
Network stats: Hide if there's no traffic (1/2)

Change-Id: I8b770c7ad803c063cf995e5f88c8f44e0eeae86a