[EGD-4120] Cellular - new line at the end of the command (#877)

[EGD-3852] Add missing virtual destructor (#876)

[EGD-4130] meditation time dispaly fix (#868)

[EGD-4099] BT set stream (#846)

[EGD-3743] Removed old doxygen copyright statements from project.

[EGD-3743] Update copyrights in fies

[EGD-3743] Update copyrights in fies - add empty line after license

[EGD-4003] audio: fix workers destroying (#806)

Improve workers destroying by replacing sudden death with a gentle close
request.

Make (De)Init static - when creating second instance of a codec there
was a situation when destructing one instance was causing first one to
stop working, because they share common hardware resources.

[EGD-4128] Fix - routing does not start (#866)

[EGD-3959] Gong sound added (#857)

[EGD-3409] Text boundaries fixes. (#860)

[EGD-4125] Cumulative set of minor fixes for audio (#861)

* fixed choice of input for recording
* fixed vibration setting getter
* fixed response messages from a HandleStop
* improved style of using AudioMux APIs

[EGD-3763]: mac fixes. include paths (#804)

* [EGD-3763]: mac fixes. include paths

* [EGD-3763]: genupdate modified, sed -i needs sed -i -e for mac
include path fixes for common.hpp

[EGD-4038] handling incoming calls and sms in sleep mode (#819)

[EGD-3743] add script for checking and adding copyright notice (#852)

Co-authored-by: Radoslaw Wicik <radoslaw@wicik.pl>

[EGD-3863] application meditation windows (#838)

* Meditation windows added

* Style changes in application meditation

* PR + CMakeLists fixes

EDG-3409 Check text boundaries on input (#716)

* [EDG-3409] Check text boundaries during input processing

[EGD-4100] Fix playback restart on audio profile change (#848)

[EGD-4076] Headphones auto detect fix

changelog: update changelog for v0.42.2 (#851)