[CP-615] Update existing backup/restore implementation in OS

[CP-648] Handle updated API requests

Updated B&R to handle new API
Extended error reporting
Backup/Restore code clean up

[CP-649] Check OS version compatibility during restore
Added check of OS and backup versions
Fixed adding of version.json to PurePhone.img

[BH-976] Add BGSounds assets path

The proper assets path for application background
sounds added

[BH-1017] Fix BGSounds progress clock

The following commit uses recent BellClock widget
to match current time display to UI design

[BH-992] Correct clock widget in powernap

Correct clock widget in powernap application

[BH-958] Set info screen on critical battery turnoff

Set info screen on critical battery turnoff

[BH-887] Back to homescreen after idle

Back to homescreen after idle

[BH-872] Fix encoder hadnling

interrupt driven encoder handling

[EGD-7759] Alarm audio duration fix

Alarm audio duration fix. Changed Alarm audio priority.
Fixed SpinBox bottomBar modes.

[BH-759] Bell onBoarding instruction prompts added

Added instruction prompts to Bell OnBoarding.

[BH-953] Fix BGSounds windows UI

The following commit fixes BGSounds UI:
* app's name not fitting in MainWindow by
extending BellOptionsWindow width
* soundtrack title set to occupy up to two
lines in progress window

[BH-914] Add BGSounds volume change functionality

The commit provides an implementation to changing
volume in Background Sounds application. The
implementation attaches the  app-scoped window
to the existing pop-up mechanism.

[BH-913] BGSounds audio implementation

The following commit provides an implemention of audio
features for the BGSounds application, that is:
* playback of selected record in either looped or
singleshot mode
* pausing, resuming and stopping the playback

The implementation does not cover a sinchronization
of displayed time with a acctual state of playback in
singleshot mode and changes of a playback volume. The
features will be addressed in a subsuquent tasks.

[BH-843] Reset procedure

Added reset procedure.
Refactored linux KeyInput.
Added support for multipress.

[CP-688] Changed cmake so that it would accept version as parameter

We are guessing verion in scripts, when we should take it as parameter

[BH-845] Add battery indicator

Add battery indicator

[BH-944] Fix default alarm

Fix default alarm to be the next 7 am

[EGD-7474] Contacts management fixes

Fixed managing contacts on the application side.

[EGD-7474] Contacts management fixes

Fixed managing contacts on the DB side.

[BH-934] Frontlight intensity live change

Added live frontlight brightness setting

[BH-611] Add Snooze chime

Add snooze chime to Bell product
Add chime mp3