Separate device functionality into plugins.

lib/wire/util.js

@@ -38,17 +38,6 @@ var wireutil = {
       )
       .encodeNB()
   }
-, makeDeviceLogMessage: function(serial, entry) {
-    return wireutil.envelope(new wire.DeviceLogMessage(
-      serial
-    , entry.timestamp / 1000
-    , entry.priority
-    , entry.tag
-    , entry.pid
-    , entry.message
-    , entry.identifier
-    ))
-  }
 , makeDeviceIdentityMessage: function(serial, identity) {
     return wireutil.envelope(new wire.DeviceIdentityMessage(
       serial