GravityBox [JB] 3.7.1

- QuickSettings: improved audio quality of QuickRecording tile
- Statusbar clock: added option for showing seconds
- StatusBar colors: extended to support all system icons
- Power tweaks:
--- added Constant battery charging LED mode (requires LED driver support)
--- added option for custom low battery warning sound (thanks to Aire-One)
- Media tweaks:
--- added slider for custom music volume steps
--- improved Reorient volume keys feature
--- improved Force music volume control option
- Ultimate notification control:
--- added option for ignoring active screen for updated notifications
- Adjusted for compatibility with GravityBox Unlocker v1.4
--- allows premium features only while Unlocker remains installed
--- PayPal method is preserved (may require reactivation using valid transaction ID)
- Updated Chinese (Simplified) translations (thanks to liveasx)
- Updated Russian translations (thanks to gaich)
- Updated Ukrainian translations (thanks to burunduk)