[BH-378] PR changes

PR changes - mainly includes

[BH-378] Fix unit tests includes

Fix Unt tests includes

[BH-378] Style fixed

Fixed style

[BH-378] Utils move log to library

Moved log to separate library

[BH-458] Pureflash turned to ExternalProject

Changed way the pureflash utility is linked to  project. Now
it is builded as cmake ExternalProject

[CP-84] Implement Security API

- Added pass code unlock from MC
- Removed Set USB security status
- Changed isLocked to phoneLocked in request for phone lock status
- Removed remainings of USB security in Settings App
- Reworked USB security model to depend both on
    Phone lock state and Pass code being enabled
- Updated test_security.py

[CP-145] Implement Security Endpoint helper

Added helper and moved out processing code to helper

[CP-148] Fix setting of response in the Parser Context

Incomming ResponseContext was overwritten instead of used.

[CP-83] Update tests for unlocking phone and usb

Removed leftovers of old usb security tests implementation.
Added tests for unlocking via security endpoint.

[EGD-6446] Fix notes delete window

Fix of title in note delete window
to use note beggining

[BH-353] Add minimal build target for BH

* add BellHybridMain
* fixing post review

Git automatically converts BellHybird as move from source/main.cpp to
prevent this and maintain "main.cpp" history adding new target as
separate commit.

[BH-353] Add minimal build target for BH

Introducing changes required for adding BellHybird target without
removing PurePhone.
Adden new targets:
* Pure (builds PurePhone and PurePhone.img)
* Bell (builds BellHybird and BellHybird.img)
* [PurePhone|BellHybrid]-[UpdatePackage|StandaloneImage)

[EGD-6898] Remove dead SimProcedure code

There were leftovers from an earlier SIM initialization procedure

[BH-396] Move CrashDebug to a separate directory

Move CrashDebug to a separate directory

[BH-360] Move TPLIB re2 to separate dir

Changed submodule directory and updated cmake scripts.
Updated paths in PureCoverage script and Doxyfile

[EGD-6899] Fix AppCall access

Fix of an access to call window
during tethering

[BH-371] Replace gsl with mainline submodule and move to third-party

Replacing loose gsl files with gsl mainline project as submodule
and moving it to third-party

[EGD-6867] Renamed TopBar into StatusBar

Renamed TopBar into StatusBar.

[BH-460] Moved TPLIB littlefs

Moved littlefs library to dedicated third party directory,
fixed include paths

[EGD-6897] Change force flag to disable check

Now force flags disable all sanity check in the
pure flash tool

Signed-off-by: Lucjan Bryndza <lucjan.bryndza@mudita.com>