BISERVER-9558 - Admin Perspecitve - New users show up at the bottom of the User/Roles: Users list. It should be alphabetical

Some refactoring made; userNames and roles are sorted now before being inserted into listBoxes
Merge pull request #1228 from aliakseihaidukou/BISERVER-9558

BISERVER-9558 - Admin Perspecitve - New users show up at the bottom of t...