XD-2342 Fix JDBCHDFS Job Password issue

* Add test-cases
* Make `xdFormatStream` more robust

XD-2342 Update server-side regex

* Add unit tests
XD-2471,72,73: Add support for compression, acks. Use defaults
XD-2531: Add Compression to RabbitMessageBus

JIRA: https://jira.spring.io/browse/XD-2521
Update reactor package changes
WebUI: Remove npm registry changes
XD-2487 Reactor based MessageHandler for processors

XD-2487 : Create a Reactor based MessageHandler for processors

Updated with PR Review comments

* fix typos in various places
* change compile time dependency from dirt to spring-integration-core
* add timeout to receive calls in test
* remove unused service-activator in XML test config
XD-2487 Polishing

   Fix the tests to use distinct channels/messages
   Add service activator for pojo processor
   Fix compiler warnings