class DlReader v2.5

Improvements in CloseAoAEndpoints() when uFR device is in sleep mode on closing.
In D-Logic usb_2_usb power bridge interface is implemented USB2USB_PING command for getting response when only bridge device is connected and when uFR is in sleep.
Applicable on D-Logic usb_2_usb power bridge interface from firmware version 5(6).