Expose current integration test problem -- Application doesn't init in Serving Layer?
Add serialize/deserialize Config to/from String for use in web app situations
Issue #24 : get OryxApplication and listener to load at startup, and, get around compile-time dependency on Jersey
Improve HyperParam test reliability with shorter window and checking first model built
Fix javadoc 8 errors
Improve management of Spark servlet dep by excluding it from serving