D-Net

-Rename HelloWorldService to ClaimsService
-Remove methods for communites and ISLookUpService imports

HelloWorldService.java: Add 'testEmail' get method to send test email to specific users (Argiro K. & Konstantina G.) for some test community - path: 'test-email'.

HelloWorldService.java: Add 'forceSendEmailNotifications' method to send email notifications now from path 'email-notifications'.

1. HelloWorldService.java:
a. replace method 'project/claims', with method 'projects/{projectId}/all_claims' (no token but projectId)
b. add method '/users/notification' to get user email preferences from 'notification' table
c. add method '/users/notification/save' to insert a new notification entry or update an existing in 'notification' table...

HelloWorldService.java: in method for path 'project/claims' return claims:
either if user's email is included in 'contact_person' field of 'project' table of postgres databaase
or if user has 'Curator - Project' role.

add more roles for community curators | distinct admin and claim curators

fixing issues with types filter - change the parameter for types

add better logs

more user friendly message

without jersey + added only one mapping for /claims