[MOS-807] Removed read code

Removed dead code
Fixed Harmony relaxation app assets path

[MOS-807] Fix MTP root path

Fixed MTP root paths for both Harmony and
Pure due to the MTP implementation
not supporting hierarchical directories.

[MOS-000] Update binary versions

Bumped up versions of binaries

[MOS-807] Update scripts

Added minor tweaks and fixed bugs.

[MOS-000] Fix for test_updater

Fixed outdated method in harness

[MOS-807] Update scripts

Added update scripts for both variants:
UDM update and further 'normal' updates.

Minor updates to the directories layout

[MOS-807] Unpacking update package

* Added unpacking and validating of
update package
* Removed 'utils-bootconfig'
* Added 'tar' module
* Minor compilation issues fixed

[CP-1734] Create factory reset reboot UI

Create window that will be shown when the
device turns off first time after factory
reset request made from PureOS.

[CP-1421] Fix backup, restore and device info tests

Fix of the aforementioned tests after changes
implemented in PureOS.

[MOS-835] Fix version.json entry

Renamed boot to os

[MOS-000] Bump recovery version

Bumped recovery version

[MOS-805] Prepare update package - rewritten script

Rewritten script for generating update package

[MOS-803] Further fixes for sync

Fixed paths for sync process
Added timeout for windows in recovery processes

[MOS-803] Fixes

Fixes for deviceInfo endpoint, scripts
 and missing migration files in sysroot

[MOS-803] DeviceInfo endpoint update

* Added some changes to the DeviceInfo endpoint
* Updated relevant code accordingly
* Removed unneeded paths definitions
* Minor bug fixes

[MOS-803] Add backup/restore scripts

* Added test directory layout
* Added test assets
* Added backup/restore scripts

[MOS-835] Per product layout of database migration scripts

Implemented DB init migration and version.json update

[MOS-783] Fix crash on entering SAR menu

Fix of the issue that entering SAR option
in menu resulted in crash of the phone
due to uncaught exception caused by
invalid path provided.

[MOS-798] Bump Ecoboot version for Harmony

Change Ecoboot asset version to the newest one,
supporting A/B booting.

[MOS-783] Change boot.bin to os.bin

Change the confusing system binary name.