[SQUASH]DerpQuest: Add Battery Bar [2/2]

AquariOS:
    Fixed color preferences to stick - @calebcabob

I'd like to thank and show respect to the following contributors for this
fantastic feature

Lokesh Chamane <lokesh.chamane@pac-rom.com>
SpiritCroc <spiritcroc@gmail.com>
westcripp <korukaltan@gmail.com>

commit fe5fa0cb0b74348d5e0e8172b17ab0f2d272dbf3
Author: Lokesh Chamane <lokesh.chamane@pac-rom.com>
Date:   Thu Aug 4 23:37:17 2016 -0600

    BatteryBar: Gradient Color [2/2]

    Change-Id: If85baf2e724f9c6cdef868af323be039b47e49ad
    Signed-off-by: mydongistiny <jaysonedson@gmail.com>

commit 0f046e9887f547ff130a925d02d75d0a74b369f4
Author: SpiritCroc <spiritcroc@gmail.com>
Date:   Mon May 2 02:52:00 2016 -0700

    Battery bar enhancements [2/2]

    Add color settings for charging & low battery
    Add reversed alignment setting

    Change-Id: I51f7e0499971ed344d8faa6e63d4f89558946cb7
    Signed-off-by: mydongistiny <jaysonedson@gmail.com>

commit be722a66ed4243831c48f45997a4cf1c442bc335
Author: westcripp <korukaltan@gmail.com>
Date:   Sat Jan 10 04:14:45 2015 +0200

    Settings: Add back batterybar [2/2]

    Change-Id: I67b0a971fe9f0b6f5443d8ca7336d5e28e86bccd
    Signed-off-by: mydongistiny <jaysonedson@gmail.com>

Change-Id: I4ad46c0e294b8fcf443926b5bb6d11930d981f91

@idoybh (DerpFest) edits:
    * Improved and simplified the code
    * Converted to a MasterSwitchPreference
    * Added to settings search index

Signed-off-by: Hưng Phan <phandinhhungvp2001@gmail.com>

src/com/cherish/settings/fragments/NotificationSettings.java

@@ -38,6 +38,7 @@ public class NotificationSettings extends SettingsPreferenceFragment implements
 
         addPreferencesFromResource(R.xml.cherish_settings_notifications);
         PreferenceScreen prefScreen = getPreferenceScreen();
+		ContentResolver resolver = getActivity().getContentResolver();
 
         mChargingLeds = (Preference) findPreference("charging_light");
         if (mChargingLeds != null