Modify API to return user counts
Modify API to return user counts

Instead of returning every device, make API used by the Usazovátor
report actual user counts (with no adjustment) deduplicated using their
login name.

Signed-off-by: Jan Dvořák <3fc70a8478584761a144cbe7a8a15386cd2e2ea0@singularita.net>

techlib/wifinator,techlib/wifinator,techlib/wifinator