GravityBox [KK]

- Download Progress Bar: implemented extensions from SBDP module
--- added support for multiple concurrent progress bar notifications
--- keeps track of all available progress bar notifications and switches between them
--- added support for clearable notifications containing progress bar
--- added logic for auto-hiding progress of idle notifications
--- added option for sound notification
--- added option for playing sound only when screen is off
- QuietHours: implemented Wear mode
--- available only when Android Wear app is installed
--- mutes notification sounds and device-wide vibrations while preserving vibrations on a paired watch
--- can be toggled from QuietHours tile or via dedicated GravityBox Action
- Made screenshot faster by introducing dynamic context-aware delay
- Adjusted for compatibility with the latest GravityBox Unlocker v1.4.3
--- improved reliability of license validation
--- !!! won't work with older versions of the Unlocker !!!
- Updated Chinese (Simplified) translations (thanks to liveasx)
- Updated Hungarian translations (thanks to benjoe1)

Full Changelog: github.com/GravityBox/GravityBox/blob/kitkat/CHANGELOG.txt