transport: In Node's TcpTransport, by default connect on port 6363 to a random testbed hub A.hub.ndn.ucla.edu through K.
transport: In XpcomTransport, by default connect on port 6363 to a random testbed hub A.hub.ndn.ucla.edu through K.
Firefox add-on: When setting the hub in the toolbar, use port 6363 by default.
Firefox add-on: Rebuild ndn-protocol.xpi to connect on port 6363 by default.