D-Net

[maven-release-plugin] copy for tag uoa-claims-2.1.0

[maven-release-plugin] prepare release uoa-claims-2.1.0

ommited test methods that require db connection

log4j2 integrated + uoa-global-parent

[Trunk | Claims]: springContext-claims.xml: Added default value for sslProtocols to null (if property does not exist).

Clean up code use only the method to get managers without session cookie
add more checks if community is enabled for notifications or not

temporal fix for log4j build fail

get managers list: update the methods - add new properties

[Trunk | Claims]:
1. db_script.sql: Comment existing commands and add commands for creating metrics table and intialize it with empty values.
2. NotificationHandler.java: [Bug fix] In logger set NotificationHandler.class.
3. QueryGenerator.java: Remove unnecessary log.

[Trunk | Claims Service]:
1. Metrics.java: New entity for Metrics.
2. MetricsHandler.java: Handler for metrics to create queries via QueryGenerator for saving and fetching metrics and execute them.
3. QueryGenerator.java: Queries for metrics added (not all of them are used - created for testing)....

[Trunk | Claims Service]:
1. springContext-claims.properties: Updated "services.claims.mail.openaireCommunityClaimsPage" and "services.claims.mail.manageCommunityUserNotificationsPage" to use the new admin portal urls (Admin portal redesign).
2. EmailSender.java: Build urls by replacing "{community}" with openaire_id in "openaireCommunityClaimsPage" and "manageCommunityUserNotificationsPage" properties, (Admin portal redesign - new urls).