js: use employee/eid/:eid/minimal to get supervisor nick
js: use employee/eid/:eid/minimal to get supervisor nick

The normal employee/eid/:eid is off-limits because it works
only for administrators (and supervisors against their reports).

Signed-off-by: Nathan Cutler <f9d8c66a4e898e67db786769b5b347b640e1a9a6@suse.com>

smithfarm/dochazka-www,smithfarm/dochazka-www,smithfarm/dochazka-www