JAVA-1570

Renamed MongoQueryFailureException to MongoQueryException
Renamed CommandFailureException to MongoCommandException
Renamed com.mongodb.bulk.BulkWriteException to com.mongodb.MongoBulkWriteException
Added MongoNodeIsRecoveringException and MongoNotPrimaryException

 JAVA-1570
Should the class be named "MongoWriteConcernException"?