[EGD-7481] Add user heap stats to puregdb

In the puregdb debugging script we have data about the system
heap and we need data about the user heap.

[EGD-878] Add Background Sounds basic app structure

The following commit provides an implementation of basic
Background Sounds application structure that will serve
as base for futher developement

[BH-703] Base Bell OnBoarding application

Added base Bell OnBoarding application. Bell list
options refactor.Language selection, setting and
finalize windows.

[BH-876] Refactor SnoozeSettings using generic approach

In order to use settings models in other
settings windows generic approach could be implemented.

[BH-820] Bell layout and font update

Updated Bell baseLayout and biggest used font.

[EGD-7569] Add Alarm snooze list notification

Notification added to notifications model

[BH-873] Activate alarm in backend on Alarm activation

Activate alarm in backend on Alarm activation

[EGD-7583] Merge stable into master branch

Merge stable into master branch - manual part.

[CP-583] Update failure due to version.json on the phone

Added version.json to the image

(cherry picked from commit 395e99e16239630263d5892e2462f1333236ae99)

[EGD-7391] Fix random crash on idle

Add atomic primitives for fix
random crash on idle mode

Signed-off-by: Lucjan Bryndza <lucjan.bryndza@mudita.com>
(cherry picked from commit 7b75494ba59d6490f72284308ceb9d5850990368)

[EGD-7486] Increase stack sizes

Increase stack sizes of the eink service and the system watchdog. During
stability tests stack-overflows were observed for both threads.

Signed-off-by: Marcin Smoczyński <smoczynski.marcin@gmail.com>
(cherry picked from commit f9a23a7b58513a43dbec009277bc7106c2c92cd5)

[EGD-7466] Offline mode defaults changed

Flight mode is not the default offline mode.

(cherry picked from commit d49c8ddbf8c64b635d56379281d913206f046500)

[EGD-7484] Increase CPU frequency for screen redraw

Increasing CPU frequency for screen redraw when screen is locked
due to DMA problems at lower frequencies.

(cherry picked from commit ddc80d3ed502d91c7d6f5ee4953d2771d93fa5ef)

[BH-776] Pre-wakeup handling skeleton

First draft of pre-wakeup handling mechanism.

[EGD-776] Bell-specific AlarmOperations

We need a separate alarm operations for the Bell.
This is the first step of pre-wake up implementation.

[EGD-7501] Rrules presenter added

- handles most of our rrule manipulation needs for alarm
- unittests for transformations

[BH-593] Use correct time format in alarm setting

Use correct time format in alarm setting
Move TimeModel to common

[BH-593] Set alarm from menu

Set alarm from menu

[BH-833] Show popup on Alarm deactivation - part II

Create AlarmDeactivatedWindow popup
which is displayed on AlarmDeactivated event.

[BH-831] Show popup on Alarm activation - part III

Get alarm time from service-time