User: extend by firstName and lastName
User: extend by firstName and lastName

It seems that no more information is needed for User.
All other information is specific per identity. The
name of user is however useful to quickly access
whenever we need it.

Signed-off-by: Jan Viktorin <3eab6ac54c005c4408f608556a6663b7f2abede7@fit.vutbr.cz>

BeeeOn/server,BeeeOn/server,BeeeOn/server,BeeeOn/server