launch with 'node server.js' command.
Express module which will provide a REST interface for retrieving
ssid and mac info for roaming devices:
1) First - populate the table
http://162.254.165.41:3000/usermac/22/bssid/288
http://162.254.165.41:3000/usermac/32/bssid/388
[
{
"mac": "22",
"bssid": "288",
"timestamp": 1420639677900
},
{
"mac": "32",
"bssid": "388",
"timest
