[MOS-296] Merge new master commits into merge-stable-wip

Merge new master commits

[MOS-296] Merge remote-tracking branch 'origin/stable'

Merge stable Harmony branch into merge wip branch

[MOS-231] Updated bt stack

Bluetooth stack updated from 1.4.1 to 1.5.1.

[MOS-218] Fix broken documentation links

There are few broken links in the documentation that have been
corrected.  The cause is either errant whitespace in the link
or by confusing (link)[url] for [link](url).

[MOS-89] Fixed contact edit window erasing data

Fixed edit contact window erasing data on special character select.

[MOS-256] Turn off torch driver when not in use

We save on power consumption ~0.7 mA.

[MOS-273] Update Harness to detect Mudita Bell devices

Added detection of Mudita Harmony

[CP-1100] Fix update not working

Bumped ecoboot.bin asset version to v1.1.2

[MOS-225] Restore SystemManager service idle priority

It crashes othervise on use of deleted elements

[MOS-225] Review applied

As above.

[MOS-225] Fixed integer overflow issue in Bus

blocking calls implementation had a bug when exceeded
uint32_t value returned immediatelly instead waiting
for message

[MOS-225] Fixed no response from SystemManager service

SystemManager service had implementation of bus processing
which never sent responses. This rendered any blocking call
to SystemManager useless

[MOS-226] Moved algorithms and their data to separate classes

This way we have controll over what does what, and can test
them separatelly
Logging statistics update more and better data presented

[MOS-123] Added bluetooth authentication popups

Added bluetooth authentication popups with different
pair methods and process info display.

[MOS-24] Fix music player switch to the next track

Unsupported files prevent switching to the
next / last track.

[MOS-16] Change favourite contacts font to regular

Font was bold, which was inconsistent with designs.

[CP-1100] Fix update not working

Update updater binary version

[MOS-221] DND - missing notifications

Add notifications for missing calls in DnD mode

[MOS-135] Proper system shutdown during restore

After the restore process is complete, the system shuts down
properly without any unexpected events.

[MOS-250] Added print text edit type for label purposes

Added print text edit type for label purposes.