Refactor imap into mail source
Creations options for mail sink
Make ContainerRegistrar ApplicationContextAware

- Fire ContainerStartedEvent only if the application context is
the Container context
Fix script tests

- Fix script tests to use loopback address instead of localhost
Update Spring-AMQP to 1.3.0.RC1
Fix jobLaunch controller name
XD-1378c Add extension-http depencency to http-client module

Also reverts the addition to the xd-dirt testRuntime deps, which
is not the correct way to go.
Exclude slf4j Transitive Dependencies

Exlude all transitive deps.