added multi-module support. Still in progress.
IN-PROGRESS - task US234466: Design Phase II REST Call representations 
https://rally1.rallydev.com/slm/detail/ar/17581766670
added a couple modules to experiment with groovy and java compilation
and testing
adding mkyong message app and service
changed artifactId back to "RESTfulExample" since it needs to match the
deployment context.