* upgrade to spring boot 1.5.2
* add full update to REST API
* modify ratings controller
* upgrade herold
* fix integration test
* fix integration test
* minor fix
* fix integration test
* fix integration test
* minor cleanup
* minor cleanup
* remove log4j properties
* use standard logbook.xml
* remove log4j dependencies
* - changed test package name from org.baeldung to com.baeldung
- streams are added where neccessary
- format fixes
* Adding Java config for Content Based File Router
* Adding Java config for Content Based File Router