[BH-1412] Improve system shutdown procedure

Changed default Worker join timeout to a more realistic value
 in case of system shutdown procedure.

[MOS-1009] Update changelog

Update changelog for MuditaOS 1.7.2.

[BH-1241] Fix the frontlight in pre-wake up

Disable the frontlight and chime when the
pre-wake up is off using deep press.

[BH-1714] Handling eink initialization errors

Added error detection while eink initialization.
Added mechanism to reinitialize the eink in case of error.

[BH-1728] Fix redundant clock face display while shutting down Harmony

When the user holds the back button for 10 seconds to display
the "turning off" prompt, we  show a redundant clock face display.

[BH-1729] Changed the "Turn off Harmony" popup display time to 10 seconds

When the user activates the prompt to turn off Harmony, it has been
displayed for more than 3 minutes.

[MOS-972] Fixed missing contact entries when scrolling phonebook

Fix of the issue that in some cases contact entry
would not be displayed on any page in case it
was on the boundary of two pages.

[BH-1720] Choose GDB binary based on python version

In this version of the run.sh script, the arm-none-eabi-gdb version will be chosen based on its
python support and the user will be notified if their version supports python 3 or not.

[BH-1733] Add Harmony version information

In the Settings->About section, we will have information
about which version of Harmony the user has.

co-author @Lefucjusz

[MOS-1005] Fix handsfree ringing after caller hangs up

* Fix of the issue that incoming call triggered
handsfree ringing which didn't stop after
calling side hung up.
* Cleanup of several places in code, minor
bluetooth <-> cellular integration refactor.

[MOS-1006] Fix modifying data in .text section when setting SN

Fix of the issue that setting serial number in
USB stack resulted in writing to read-only
.text section, what causes undefined behavior.

[BH-1714] Eink refactor and error handling

Cleanup and refactor for eink code.
Changed turning on/off procedure.
Add error handling.

[BH-1726] Fix unwanted popup on shutdown screen

During the alarm occurrence and on the system turn-off screen,
selecting "No" option causes the "Next alarm will ring in 24h"
prompt to be displayed

[MOS-000] Update changelog for 1.7.1

Update changelog for 1.7.1.

[MOS-30] Fix for Alarm not being handled properly during a phone call

During the phone call, the alarm was not displayed and subsequent alarms
after this scenario did not work. This has now been fixed and the alarm
during a phone call will be automatically snooze.

[MOS-1004] Fix autolock on SMS template call rejection

Fix of the issue that unlocked phone would
automatically lock after user tried to reject
incoming call via SMS and stayed on the
templates window.

[MOS-1003] Add missing changelog entry

Added changelog entry accidentally omitted
in previous PR.

[MOS-1003] Fix automatically marking new message as read

Fix of the issue that after entering messages
app, opening one of the threads and returning
to main messages app window, new messages in
this thread were automatically marked as read.

[BH-000] Update changelog

Create section for 2.0.0 version in the changelog

[BH-1722] Fix unswitchable alarm audio

fix for missing pop-up with information
about deactivating the alarm