#451 exit cleanly if OplogThread exits with exception
#451 exit cleanly if OplogThread exits with exception

10gen-labs/mongo-connector,agolo/mongo-connector,10gen-labs/mongo-connector,ShaneHarvey/mongo-connector,mongodb-labs/mongo-connector,sailthru/mongo-connector,ShaneHarvey/mongo-connector,sailthru/mongo-connector,mongodb-labs/mongo-connector,agolo/mongo-connector