of13: some "len" "type" attributes visible to user
of13: update *.json after "len" "type" changes
of13: make OFPQueuePropHeader.property visible to user
of13: update *.json after OFPQueuePropHeader.property change
of13: make OFPMatch "type" and "length" visible to users
of13: update *.json after OFPMatch "type" and "length" changes
of13: make OFPPacketOut.actions_len visible to users
of13: update *.json after OFPPacketOut.actions_len changes
of13: make multipart request/reply's "type" visible to users
of13: update *.json after multipart request/reply's "type" changes
of13: make OFPxxxStats.length visible to users
of13: update *.json after OFPxxxStats.length changes
of13: make OFPHelloElemVersionBitmap's "type" and "length" to users
of13: update *.json after OFPHelloElemVersionBitmap changes
of13: make OFPMeterBand's "type" and "len" visible to users
of13: update after OFPMeterBand changes