XD-2339 KafkaProducer configs as module options

  - Remove external configuration file
  - Convert all the possible configurations options as module options
XD-2123b - Add missing resource file
XD-2345 Fix XD UI not usable with IE 11

* Add `WebContentInterceptor` bean to `RestConfiguration`
* Fix Growl notification rendering in IE
XD-2326 - Fixed Windows file path issues

Fixed ArchiveModuleRegistry and various tests.  Some tests in
spring-xd-hadoop will not run on windows. Those are skipped if running
windows.

Fixed shell tests for Windows

* A few tests are disabled for windows.  Others work by applying
FixtureUtils.preventShellEscapeProcessing() to file paths.

* reverted DatasetOutboundChannelAdapterIntegrationTests.xml
Adding placeholder for phd21
XD-2367 Add waitForCompletion to fix failing test in CI environment
Add description for spring-xd-exec to satisfy maven central requirements
XD-2370 Removed script tests

All tests that were used by the CI build are currently handled by Acceptance Tests.