OSNG-10 - added test for one missing branch
OSNG-10 - fixed system test
OSNG-10 - added missing tabels
OSNG-10 - loading all list eager instead of lazy, changed lists to sets due to eager loading problem, renamed some fields due to postgres name conflicts, added missing tests, added not null checks for optional attributes
OSNG-10 - added acceptance test for missing resource
OSNG-10 - extend client to be able to load resources by username
Merge remote-tracking branch 'origin/master'

Conflicts:
	authorization-server/src/main/resources/db-config.properties
	authorization-server/src/main/resources/sql/init.sql