Refactoring: PointToPointTest was refactored
Refactoring: BulkloadSinkFactory and BulkLoadJobRunner
Refactoring: GenerationIdMapping : pair was replaced with case class
Refactoring: GenerationIdMapping config parsing
Feature: EmbeddedKafka uses unique temporary logs dir
Feature: TsdbFormat config rendering and parsing
Fix: Bulk loading was fixed
Feature: ZookeeperLock simplification
Refactoring: KafkaPipelineChannelConfig parsing
Refactoring: PointToPointTest was refactored
Refactoring: hbase configuration
Refactoring: PointToPointTest
Refactoring: KafkaOffsetsTracker
Tests: point-to-point bulk loading test