Use virtual IP's to get on the same subnet as the board.

Don't need to broadcast then.
WIP:  memory writing getting there.

* Removed queued writing because we can't combined mulitple commands in a packet.
* Sorted reading into data and packet reading.
WIP: got memory read commands written.
Bug fix some read/write code and remove old pcap receive function.
Enforce minimum Ethernet frame size.
Clean out winpcap from CMake file
WIP: Move APS command printing into APSEthernetPacket.

Also fix needs address for acknowledge returned packets.
Set r_w flag and count for reads.

Single word write/read test now works.