[BH-867] Temp unit save fix

Temperature unit is now correctly stored/loaded.

[EGD-7612] Add alarm popup

Added alarm popup window. Added ImageBoxWithText
widget.

[BH-756] Frontlight on alarm ringing

Frontlight on alarm ringing

[BH-871] Stop music at alarm end

Stop music at alarm end

[EGD-7563] Hold minimum CPU frequency for logs dump

During the log dump, we wake up the CPU to 66 MHz
instead of the maximum frequency.

[BH-885] Fix Bell hw

Increased stack for apps and service
Deleted invalid call to uninitialized SML in BatteryCharger
Moved torch handling from common code to pure specific

[EGD-776] PreWakeUp chime

Added a prewakeup chime handler.

[BH-908] Fix macros header location

Remove duplicated header for linux; move header for rt1051 to the same
tree as for linux.
_exit.c uses os so it should be placed in the os.

Signed-off-by: Marcin Smoczyński <smoczynski.marcin@gmail.com>

[BH-880] Fix of missing minus in PowerNap

The bug could be noticed on the PowerNap's
progress window. The countdown there is supposed
to be increasing in value, that means the minus
sign should be visible at all non-zero values.

[CP-439] Add case color to device info endpoint

Color of Mudita Pure's case can be now read from
device info endpoint.

[BH-897] Split module-sys

Split system module to better manage dependencies between system
components.

Signed-off-by: Marcin Smoczyński <smoczynski.marcin@gmail.com>

[EGD-7641] Disable service desktop tests

Disable tests due to linkage problems.

Signed-off-by: Marcin Smoczyński <smoczynski.marcin@gmail.com>

[BH-820] Revert 32 pressura bold deletion

Reverted 32 pressura bold deletion as it is used
in EULA Pure windows.

[EGD-7310] Alarm GUI and features update

Updated AlarmOptionsItem to use UTF8Spinner.
Created specialized widgets to cover options
sets. Updated GenericSpinner to handle Pure
navigation and content swap. Updated Alarm
RRule code to work with Custom Days selection
and new widgets. Added Tests. General GUI
stylistic fixes. Increased app Alarm Clock
and service Time stack sizes.

[BH-890] Home screen alarm popups

Added proper handling of deep up/down
keys when in intermediate states
(alarm deactivate/activate).

[CP-564] Make desktop endpoints a separate lib

In order to have different sets of endpoints for different products,
we need to separate endpoints from the desktop service.

[EGD-7610] Unnecessary services and apps removed

Removed lwIP, FOTA and clock application.

[BH-776] Implemented PreWakeUp unit tests

Unit tests added for the PreWakeUp basic implementation.

[EGD-7445] Removed dead scripts

Removed dead scripts

[BH-860] Decouple charger driver from system

Remove system dependency from charger driver implementation. Remove
circular, lambda driven dependency between charger and brownout
detector. Remove event manager dependency in driver as well.
Encapsulate some of charger logic in introduced battery controller.

Extract path configuration to the separate target to decouple charger
from vfs middleware.

Signed-off-by: Marcin Smoczyński <smoczynski.marcin@gmail.com>