propagate device rename to mSG
send the type field in the correct subobject during heartbeats
fix net autoconfig to generate less specific routes on eth
flush hexabus_msg_bridge buffers, don't eat errors

* flush the buffers every five minutes to keep the portal up to date
* don't eat all exceptions and quit on everything except "sensor not
  found"
fix raspi device registration to the production servers
avoid warning with recent version of connect/express
give users a button to directly link their device to mSG
add readable version of angular
make socket.io callbacks in node exception safe
fix "remove device" and last update times