D-Net

export metadata for software and other

replace openaire_id prefix with userclaim___::

Job: update isOld function

missing from previous commit - Add Job class

simplify response to minimum required fields
move the where clause in each query to eliminate their size before union their results

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.