[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

[CP-721] Fix harness import error in API/filesystem.py

Fixed broken import

[EGD-3414] Added RawText and applied it to Text widgets

Removed Label dependency on Text widgets by RawText introduction.

[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-972] Fixed battery charging

Fixed logging & control of charging

[BH-972] Charger disable when not charging

Added charger disable when not charging

[EGD-7774] Fix compile on ARM GCC11

Fix compile on ARM GCC11

Signed-off-by: Lucjan Bryndza <lucjan.bryndza@mudita.com>

[EGD-7770] Fix hardfault with FileIndexer

Fix hard hault with fileindexer

Signed-off-by: Lucjan Bryndza <lucjan.bryndza@mudita.com>

[EGD-7440] Fix BT statusbar after BT disconnect

BT statusbar was set by disconnect message, which was not
aware of BT on/off status, thus always after disconnect
the statusbar icon was set to idle/enabled

[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