Settings: Broadcast ACTION_DATE_CHANGED

Send ACTION_DATE_CHANGED when user change the format of the date

Change-Id: I89ef0354ae2b0825378a6e8939341c4eccf63e17
Signed-off-by: Jorge Ruesga <jorge@ruesga.com>
Overhaul auto-brightness level UI.

This changes a few things:
- Don't imply a 'bucket' type of algorithm is used by showing an ambient
  brightness range for each line
- Allow manually entering the screen brightness
- Add a preview window for the cubic spline interpolation
- Add a help text

JIRA:CYAN-612
Change-Id: I64274280872b9fe4f6fdc368d654aca81e0a4e0c

Conflicts:
	res/values-af/strings.xml
	res/values-da/cm_strings.xml
	res/values-de/strings.xml
	res/values-el/strings.xml
	res/values-es/strings.xml
	res/values-fr/cm_strings.xml
	res/values-hu/cm_strings.xml
	res/values-it/cm_strings.xml
	res/values-ja/strings.xml
	res/values-ko/strings.xml
	res/values-nl/cm_strings.xml
	res/values-pl/cm_strings.xml
	res/values-pt/cm_strings.xml
	res/values-pt/strings.xml
	res/values-ru/strings.xml
	res/values-uk/strings.xml
	res/values-zh-rCN/strings.xml
	res/values/attrs.xml
	res/values/cm_strings.xml
	res/values/dimens.xml
	src/com/android/settings/AutoBrightnessCustomizeDialog.java
Improve brightness curve preview

- Avoid log spamming
- Add a little margin around the grid so outer control points aren't cut

Change-Id: Idb6cd2773186f9e7011486dc62f21e2fab85e245
Correctly restore brightness customize dialog hierarchy.

This is especially important when rotating the device.

Change-Id: Iaf1ceb46943e9d0a171d6a75d3d446dbec205095
Led Settings : Hex input for colorpicker

Allow users to specify hex color codes

Change-Id: I644b624d569e5c2fbb0fc48683c73041b4193d27
Fixups.
Merge branch 'jb2' of git://github.com/CarbonDev/android_packages_apps_Settings into jb2