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
JIRA: https://jira.spring.io/browse/INTSAMPLES-136
Polishing - PR Comments
* Add `compile "org.projectreactor.spring:reactor-spring-context:$reactorSpringVersion"` dependency
to show a usage of `@EnableReactor`
* Make `async-gateway` project Java 8 compatible and replace inline implementations for callbacks to Lambdas