[MOS-944] Fixed handling USSD started by #

Now call request begins with # character is dicoverd
and handled as a USSD code.

[MOS-960] Fixed SMS flow after failed try in Offline

SMS handling is now fixed after attempt to send SMS in offline mode.
After SMS was rejected by Offline mode, Pure was not able to send
any message until device reboot.

[MOS-000] Rework docker container creation

Cleaned up dockerfile
Removed PATH dependencies from jenkinsfile

[BH-1630] Turn off the device for low voltage

The system closes only if the SoC is 0%, but
it doesn't react if the voltage has low level.
The new implementation invokes the close
procedure if the voltage is less than 3.4V.
This solution should avoid possiblity to
hang the MCU.

[MOS-202] Add meditation parameters to non-volatile memory

The meditation time entered from the keyboard will be remembered.

[BH-1649] Reimplement I2C communication attempts

The CW2015 driver should avoid any logic.
Thus I2C communication attempts were moved
to the BatteryCharger which is product specific.

[MOS-000] Remove redundant newlines when printing clocks

As described.

[MOS-943] Remove old factory reset mechanism

Removed old factory reset mechanism that is
no longer needed after UDM.
Fixed accessing previously moved variable.
Minor cleanups.

[MOS-525] Fix BT autoconnect when another device is already connected

Fixes an issue when another device is connected via HFP and a new device
wants to connect

Updated BT stack to 1.5.5 version

[BH-000] Modify ecoboot version to 2.0.0

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[CP-1848] Problems with displaying file names

Added missing characters to font 'gt_pressura_light_46' used in Relaxation

[MOS-925] Fix redirection on BACK from sending message from Contact view

Fix for inconsistent redirection to message threads list when pressing
BACK from sending message from Contact view. Also proveded mechanizm
to help switching back to previous App, when some App call window
from another App.

[BH-1646] Center empty batter icon vertically on shutdown window

Set icon text visibility to false.

[MOS-927] Fixed search engine labels

Fixed regression introduced by the previous PR.

[MOS-932] Minor ListViewEngine cleanup

Minor cleanup of ListViewEngine.cpp.

[MOS-932] Fix unneeded deep refresh in empty list

Fix of the issue that pressing up arrow in
empty list (e.g. notes, messages, alarms)
resulted in unnecessary deep refresh of
the screen, as the content didn't change.

[MOS-938] Allow Text control to scroll several lines at once

Ditto

[MOS-000] Add clang-format support for macOS

* clang-format tools are now correctly fetched
* Fixed some macOS specific issues in bash scripts

[MOS-939] Apply target update scripts

* Removed old UDM-related update scripts that are no longer needed.
* Applied target update script
* Removed unneeded data folder from user partition
* Removed dummy personalization.json

[BH-000] Update changelog for 1.8.1

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