Standard channel interface types of Sink, Source, Processor
are provided, but user can create others with @Input and
@Output MessageChannel methods.
To get the declared channels in an app you can use the
@ModuleChannels qualifier to inject the interface, e.g.
@ModuleChannels(Cafe.class) injects the channels defined
in the Cafe.
Port MessageBus code from XD (XD-3244)
Fix Deprecated API Usage; Fix Imports (GH-9)
Change poms to compile using JDK7
Move transport specific test classes into binding-<transport> projects
