[BH-1008] Fix Snooze UI and turnoff

Actually stop the snooze when turning off the alarm
Center bottom text temperature after other popup
Correct notification when setting alarm for "now"
Fix ringing alarm icon

[BH-989] Unify alarm will ring message

Unify alarm will ring message

[BH-887] Disable Idle timout on onboarding

Disable Idle timeout on onboarding

[BH-773] Add bedtime reminder application

Add bedtime time and on/off UI setup app
Add bedtime event notification window
Add bedtime audio assets
Implement bedtime notification TimeService backend
Add bedtime unittests

[BH-985] UI Fixes

- [BH-985] Wrong time units
- [BH-991] Fix UI for ringing alarm
- [BH-1005] Time and units - 12 ‘space’ h
- [BH-1007] UI fix - time setting

[BH-981] Fix "Alarm Deactivated" text alignment

Make "Alarm Deactivated" string vertically centered in a UI box

[BH-887] Increase idle timout

Increase idle timeout to 30s

[BH-935] Volume and tone selection

Added playback of volume and tone selection

[BH-978] Make default alarm enabled

Make default bell alarm enabled after onboarding.

[BH-982] Fix Home Screen issues

- [BH-982] Alarm changing process on home screen should
           start by rotating knob left or right,
- [BH-983] Inactive back button while
           changing alarm on home screen

[EGD-7754] Dates bumped in disclaimers

Dates bumped from 2020 to 2021.

[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.