Stop throwing exceptions when the socket is disconnected on receive as this was

spamming the data/error.log file with ever server start/stop/recycle:
Wed May 13 2015 12:45 am vert.synchro.net
1072 JSON socket disconnected

Wed May 13 2015 12:49 am vert.synchro.net
0492 JSON socket disconnected

Wed May 13 2015 12:51 am vert.synchro.net
1108 JSON socket disconnected