D-Net

+ Included subscription related API calls
+ Added missing DTOs for subscription events
! Delete subscription is not yet implemented

#Yet untested

Added the possibility for the repository manager to download the OpenAIRE-compliant logo, which s/he can add to the repository's site

Added the OpenAIRE logo inside the dashboard in the place of the mock person's image

First mock implementation of enable metrics functionality

Finished the first implementation of the broker service for the Repository dashboard

Sort results for getDatasourcesOfUser
Added punctuation marks in readme

Implementing getDatasourcesOfUser Return a list of tuples of BrowseEntries and Logo Urls

+Added jackson dependencies for spring deserializer to work
+Changed BrokerService to include variables page and pageSize in advancedShowEvents
+Implemented BrokerService

+Created Readme for required first steps to start the webapp

Added the BrokerService interface

Adding Object for advanced search
+removing some unused imports