(maint) bump up number of packages to 30 per page
(maint) formatting
(GH-105) fix paging / show counts

This fixes the paging on the moderation queue, shows the current counts for
each moderation status, and adds the entire set of unreviewed backlog to the
end.
(GH-105) Moderation total only includes items in review

Only show the total of items under moderation, move the unmoderated count to a
total in the subheading