Exclude empty messages from sub cancellations admin page
Exclude empty messages from sub cancellations admin page

jeremiahyan/codecombat,javatlacati/codecombat,kidaa/codecombat,jeremiahyan/codecombat,kidaa/codecombat,jeremiahyan/codecombat,codecombat/codecombat,jeremiahyan/codecombat,codecombat/codecombat,javatlacati/codecombat,javatlacati/codecombat,javatlacati/codecombat,kidaa/codecombat,kidaa/codecombat,codecombat/codecombat,codecombat/codecombat,codecombat/codecombat,javatlacati/codecombat