[EGD-7754] Dates bumped in disclaimers

Dates bumped from 2020 to 2021.

[CP-615] Update existing backup/restore implementation in OS

[CP-648] Handle updated API requests

Updated B&R to handle new API
Extended error reporting
Backup/Restore code clean up

[CP-649] Check OS version compatibility during restore
Added check of OS and backup versions
Fixed adding of version.json to PurePhone.img

[CP-599] Add crc hash to the last chunk of sent file

CRC was counted in one go before starting to send
chunks of the file, which, in the case of a large file,
caused communication to stop for a long while.
In the current implementation, CRC is counted
incrementally while sending individual file chunks.
It is then appended to the last chunk of the file.

[EGD-7725] Tune up file system io access

Increasd io stream buffers:
- 64kB for big files with short lifetime scope
- 16kB for big files with long lifetime scope
- 1kB - dont changes default forr the rest

[EGD-7587] Change stream buffer size for fs endpoint

Increases stream buffer size, to make sure it is working faster
on ext4 partition.

[CP-162] Implement Logs directory

Added listing of log/crash dump files
Reorg'ed log/crash dump files locations
Added harness api/device_info
Updated test and tool scripts

[BH-819] Fix illegal dependencies in bsp

Break circular dependencies in the BSP module. Fix some missing
dependencies which surfaced after fixing BSP.

Signed-off-by: Marcin Smoczyński <smoczynski.marcin@gmail.com>

[CP-564] Reorganize desktop endpoints

Move desktop endpoint factory to a separate lib to be able to provide
different factories for different products.

[BH-912] Improve sys module structure

Improve structure of the module sys. Problems within this module
prevents from linking others.

Signed-off-by: Marcin Smoczyński <smoczynski.marcin@gmail.com>

[BH-907] Split utils module into components

Split module-utils into smaller components for better dependency
management. Fix many dependencies throughout the project.

Signed-off-by: Marcin Smoczyński <smoczynski.marcin@gmail.com>

[CP-439] Add case color to device info endpoint

Color of Mudita Pure's case can be now read from
device info endpoint.

[BH-897] Split module-sys

Split system module to better manage dependencies between system
components.

Signed-off-by: Marcin Smoczyński <smoczynski.marcin@gmail.com>

[EGD-7641] Disable service desktop tests

Disable tests due to linkage problems.

Signed-off-by: Marcin Smoczyński <smoczynski.marcin@gmail.com>

[CP-564] Make desktop endpoints a separate lib

In order to have different sets of endpoints for different products,
we need to separate endpoints from the desktop service.

[EGD-7459] Fixed factory reset process

Fixed the factory reset process.

[EGD-7077] Rework of BT connection status in AppSettings

Reworked AppSettings handling of BT devices to be prepared for
handling the HFP profile, eliminating by the way few bugs and
speeding up the flow (by getting rid of few refreshes).

Added unit tests for handling the BT devices flow

[CP-578] Fix handling of requests for disabled endpoints

Added NullEndpoint (as in Null Pattern) to respond
in lieu of unknown endpoint

[CP-346] USB stops working during file transfer

Increased CDC receive queue length to 1024 elements
Improved debug output in Filesystem EP

[EGD-7505] Developer mode endpoint extended

Developer mode endpoint extender to support
file renaming, removal and listing dirs.
Harness requirements updated.

[CP-47] Extend service desktop API with time based phonelock

Time based phonelock can be now utilised via service desktop.