Issue #2330057: remove oa_home as it's its own project now
Issue #2330057: remove oa_htmlmail as it's its own project now
Issue #2330057: remove oa_sandbox as it's its own project now
Issue #2330057: remove oa_messages_digest as it's its own project now
Issue #2330057: remove oa_tour as it's its own project now
Issue #2330057: remove oa_tour_defaults as it's its own project now