[CP-1937] Amount of space assigned to "Other" changes after uploading audio file

Fixed by sending information about device memory in floats instead of
uints

[BH-1595] USB charger detection issues

* Fixed issues with USB charging port detection
* Fixed memory leak in usb_stack/OS integration layer
* Fixed incorrect handling of software timer
* Minor cleaning/refactor.

[BH-1595] Turned off USB/PC charging

Charging enabled only for a dedicated charger. Users won't be able
to charger while connected to the PC.

[CP-1942] Re-adding the same file results in an increase in the amount of occupied space

Fixed problem with adding files with the same name resulting in increasing its size
instead of replacing the file.
USB Stack changes.

[CP-1797] Low battery connection with mc is possible

Add a reason field to USBSecurityEndpoint reson when device is locked.

[CP-1797] Low battery connection with mc is possible

Decrease critical battery level from 10% to 5%
Add a new entry to the security endpoint in order to block MC
when the phone battery level is critical

[CP-702] Add API for managing templates order

This API allows for managing message templates order.
DB Migration: adding a new column to templates tables.

[CP-1837] Random crashes while copying files

General improvements to prevent running out of memory while copying
files via Mudita Center

[CP-1825] Update while on onboarding screen

Add a parameter to device info about onboarding state.
Update documentation for Pure and Harmony.

[CP-1822] Fix space returned by DeviceInfo endpoint

Unify the space values returned by DeviceInfo
endpoint by taking into account space taken
by second system partition, which was previously
omitted.

[MOS-903] Remove reboot to USB MSC mode

Remove mechanics enabling to perform reboot
to MSC mode by sending request to one of the
endpoints via serial port, as it is not
implemented in bootloader and may potentially
be unsafe.

[MOS-18] Fix calllog scrollbar

Fix of the issue that scrollbar in
call log didn't represent the actual
page being shown correctly.

[MOS-872] Extended json11 supported types

Moved statvfs to stack from heap

[MOS-872] Add support for directiories in filesystem endpoint's listdir

Added support for listing directiories with nested ones

[MOS-856] Another approach to MTP path in DeviceInfo

This time it's device-agnostic from purefs paths

[MOS-856] Add MTP path to DeviceInfo endpoint

Added MTP path for products to enable MC to use it instead
of hardcoded paths

[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-807] Unpacking update package

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

[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