[MOS-26] Add tethering info on status bar

When tethering is on, info appears in the status bar
and network coverage indicates "no connection"

[BH-1580] Missing translation for Statistics

Add missing translations for “Statistics”
from Meditation sub-menu in German,
Spanish and French.

[MOS-713] Fix access to the phone before going onboarding

Before accepting the EULA,
the user may fully use the Mudita-Center.

[MOS-242] Fix windows flow after PIN mistakes

After too many PIN mistakes during a PIN change,
the user saw distorted windows instead of a PUK
request. Now, this has been fixed.

Also, a typo in a translation has been corrected.

[MOS-743] Workaround for audio config paths

Workaround for the issue that updater
places audio config JSON files in
wrong location. This should be
removed after the updater is fixed.
Additionally update of loudspeaker
routing config.

[MOS-666] Fix disappearing setting bars in German

Fix of the issue that with German language
selected manual volume setting bar and
vibration volume setting bar would
disappear when focused.

[MOS-350] Fix some SIM card pop-ups not showing

Also: enhanced a log, improved the English translations.

[MOS-709] Added Polish translation to calendar

Added Polish translation to
a calendar title.

[BH-1550] Medstats translations

Updated meditation statistics translations.

[BH-1556] Change default layout

Default layout changed to the 'ClassicWithBattery'.

[MOS-647][MOS-671] BT volume control fixes

Set of fixes for Bluetooth volume control issues:

* split OS volume from A2DP device volume;
* added translations for additional popup required
to indicate what volume is being set;
* fixed issue that on some devices setting the lowest
volume level would set the highest in reality;
* fixed Bluetooth auto-turnoff functionality;
* minor code cleanup.

[MOS-664] PLAY label translation fix

Improved translation of PLAY label
in German.

[BH-1537] Statistic frontend

Added integration of statistics model,
presenter and widget.

[BH-1356] Meditation stats backend

Added meditation statc backend.
Added temporary widget for testing
purposes and corresponding modules
(meditation stats presenter, window,model).

[BH-1540] Meditation translation typo

Meditation translation typo

[BH-1527] Typos in greetings messages

Fix 2 typos in greetings messages

[BH-1540] Meditation translations

Meditation translations

[MOS-548] Missing polish texts

Added translations for:
- empty calllog list,
- custom alarm clock settings.
Fixed text on wrong-passcode screen lock.

[BH-1522] Meditation pause and finish design adjustments

Pause icon on the same window as progress
Prevent progress from stepping during pause
Adjust meditation finished window to design

[BH-1352] Meditation countdown

Meditation countdown