Fixes GH-117 (https://github.com/spring-projects/spring-kafka/issues/117) - merge `handleManualAcks` - simplify offset handling by removing the `manualOffsets` map - ensure that all acks are flushed on `stop()` - Upgrade to Gradle 2.14
Fixes GH-117 (https://github.com/spring-projects/spring-kafka/issues/117) - merge `handleManualAcks` - simplify offset handling by removing the `manualOffsets` map - ensure that all acks are flushed on `stop()` - Upgrade to Gradle 2.14