[keps] Updates to AMSAT KEP Distribution for 3-3-2016

ChubuSat-2 confirmed as NORAD CAT ID 41338 ChubuSat-3 confirmed as NORAD CAT ID 41339

Horyu-4 NORAD CAT ID 41340 added back into KEP Distrubution.

(Thanks to Nico Janssen, PA0DLO for confirmation info.)