Since we provide a custom `FileNameGenerator` via `fileNameExpression` we should ensure somehow `BeanFactory` injection to that
`FileWritingMessageHandlerSpec` is a `FactoryBean` since version DSL `1.2` and a particular `BPP` takes care about `Spec` internals and register custom `FileNameGenerator` as a bean.
Use standard `FactoryBean` injection in the `lines()` flow to populate the target `FileWritingMessageHandler` to the flow
Generate pom for all project to apply SI Java DSL 1.2 GA
Make `PromiseTest` more fast decreasing `sleep()` in the `MathService`
Kafka-0.10.0 Compatibility
Upgrade to Spring Boot 1.4.0.RELEASE
Regenerate poms according to upgrades
