MBS-6692: Remove references to NON_REPLICATED_TABLES

This subroutine was removed in a previous commit. I have removed
any calls to this subroutine now. NON_REPLICATED_TABLES previously
contained the names of pre-NGS tables anyway, so it doesn't seem like
the contents is particularly important.
Only load debug modules in debug mode
Prefer Digest::SHA over Digest::SHA1
MBS-6690: pass along stash/opts to serialize_entity when inc is passed
Merge remote-tracking branch 'ian/mbs-6690'
Merge branch 'mbs-6692'
Remove 'carton' from hourly and daily cron jobs
Rewriting all the empty_ sql functions to run considerably faster
Fix PgTAP tests for empty_* checks
Merge branch 'master' into schema-changes-2013-10-15