Fixed some minor bugs after moving to multi module project
#196 - recent update implementation

- data model
- service
- controller
#196

- project does not start, yet no error
- saving changes on WIP
fixes #197

- updated deps
- moved to SLFJ4
fixed NotificationCleanupTask
#196

- minor fixes and changes in files
- for recent update
 - test for service
 - full service implementation
#196

- added controller API
- added controller impl
- added test for controller

Other:
- for ComponentBuilderRepository extracted publicly available abstract class for Mocks
- Added PageDataResource
#196

- added table as nested view
- visible only if user is authenticated
- added interval that allows to re-request server for new recent updates
- using paging