[Streaming][Bitstamp] event listener log message does not show exception

[blbradley]

Fortunately, reconnection logic works great!

[2016-09-26 10:12:09,412] ERROR There was a problem connecting! (co.coinsmith.kafka.cryptocoin.streaming.BitstampPusherActor)
[2016-09-26 10:12:09,445] INFO State changed from CONNECTED to DISCONNECTED (co.coinsmith.kafka.cryptocoin.streaming.BitstampPusherActor)
[2016-09-26 10:12:09,450] INFO State changed from DISCONNECTED to CONNECTING (co.coinsmith.kafka.cryptocoin.streaming.BitstampPusherActor)
[2016-09-26 10:12:09,666] INFO State changed from CONNECTING to CONNECTED (co.coinsmith.kafka.cryptocoin.streaming.BitstampPusherActor)
[2016-09-26 10:12:09,697] INFO Subscribed to channel live_trades (co.coinsmith.kafka.cryptocoin.streaming.BitstampPusherActor)
[2016-09-26 10:12:09,727] INFO Subscribed to channel diff_order_book (co.coinsmith.kafka.cryptocoin.streaming.BitstampPusherActor)
[2016-09-26 10:12:09,728] INFO Subscribed to channel order_book (co.coinsmith.kafka.cryptocoin.streaming.BitstampPusherActor)