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JIRA: https://jira.spring.io/browse/INTSAMPLES-137 Depends on https://github.com/spring-projects/spring-integration/pull/1274 Polishing and cleanup * Fix `cafe-dsl` project: https://build.spring.io/browse/INTSAMPLES-NIGHTLY-JOB1-1131 * Change author emails to the `pivotal.io` * Regenerate poms Fix for `Cafe-DSL` sample https://build.spring.io/browse/INTSAMPLES-NIGHTLY-JOB1-1143