[os] missing param in path.relative

Signed-off-by: Denis Zalevskiy <denis.zalevskiy@jollamobile.com>
subprocess: missed name update

Signed-off-by: Denis Zalevskiy <denis.zalevskiy@jollamobile.com>
json_config.write()->nbytes

Signed-off-by: Denis Zalevskiy <denis.zalevskiy@jollamobile.com>
version bump

Signed-off-by: Denis Zalevskiy <denis.zalevskiy@jollamobile.com>