[EGD-6970] Autolock default value

Set autolock default value to 30 seconds.

[EGD-5709] Fixed actions support in Call application

Fixed:
- returning from a call window to previous application
- closing SMS templates window if open from call window

[EGD-5709] Add full actions support in call application

Application call used both actions and messages which
caused windows switch problems. It has been refactored
to handle all communication by actions.

[CP-174] Remove limit of maximum attempts of unlocking phone

Limit of 4 attempts of unlocking phone is disabled
due to requirements change. This is a temporary solution until
time intervals between attempts will be intorduced.
Old logic remains untouched on purpose.
It will be reused in final implementation.

[EGD-6951] Removed old header implementation

Removed old header implementation.

[EGD-6958] Fix rssibar oor exception

This commit fixes out of range exception for rssi indication on topbar.

[BH-388] Turned music player app into library

Turned application music player into separate library,
specified private and public include directories and
dependencies

[EGD-6950] Added header layout

Added Header Layout.

[EGD-6697] Date and time formatting

Added system locale dependant date and time formatting.

[EGD-6960] Header addition related style cleanups

Header addition related style cleanups.

[BH-501] MainMenu

Add Bell main menu window and option menu

[BH-459] Moved fatfs to third-party v2

2nd approach to moving fatfs to third-party. Declared as INTERFACE.

[EGD-6797] Remove color from SAR

Colors are not handled properly during scrolling so use only black

[EGD-6952] Fix tethering on low battery

Added prevention of tehering mode change
while battery is below critical level

[EGD-6954] Enable all unit tests

As all unit tests are working now, there'
s no need to create a list with tests to execute

[EGD-6876] Fix Factory Settings Test

Fixed factory settings test - the query path was wrongly created

[CP-200] Delete file with old OS version

Removed update file after a successful update or
in case of an interrupted download.

[CP-200] Revert Delete file with old OS version

This reverts commit e6de85dbc19963e77144b192b9f40fbdc25a7e0d.

[BH-372] Turned i18n into separate library

Turned i18n module into separate library moving source files, test
files and creating separate CMakeLists.txt, fixed other modules
link targets, fixed paths and sorted some lists

[BH-374] Librarize application-antenna

Add apps-common, librarize application-antenna