Merge pull request #1 from suhailshergill/master

Keep ypg-data in sync with suhailshergill's
Add Logging with 'Scala-logging' + 'Logback'

Includes:
- TODO: Unify configurations
- Logging: configuration is scanned for reloading on change
Merge pull request #2 from ypg-data/luis-addLogging

Luis add logging