* liboping: The new "PING_OPT_MARK" option allows to mark packets,
which can be used for filtering and routing such packets on Linux.
* oping, noping: The new "-m" command line option allows to set a
mark on packets sent by the tool.
* oping, noping: The new "-O" command line option allows to write
measurements to an CSV file.
* oping, noping: The new "-w" command line option allows to specify
the timeout after which a packet/reply is considered "dropped".
f85fa4124b