*backport svn9037
*reduce logs if a bad cw detected from cache
*overhaul cwc light for NDS Caid's

    for 0x80 ECM's CW: XXXXXXXXXXXXXXXX0000000000000000 (cwc NDS OK)
    for 0x81 ECM's CW: 0000000000000000XXXXXXXXXXXXXXXX (cwc NDS OK)
    for 0x8X ECM's CW: XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX (cwc NDS NOK)
    for a swapped CW the check is pos. passed for a possible backswapping
    u can use for cwc light:
    cwcycle_check_enable
    cwcycle_check_caid
    cwcycle_onbad
    cwcycle_allowbadfromffb

git-svn-id: http://streamboard.de.vu/svn/oscam/trunk@9135 4b0bc96b-bc66-0410-9d44-ebda105a78c1