1. removed some errant log statemets previously inserted when debugging2. sql/common/*sql files weren't being displayed by the APM, are now3. added index on start_date in timespan-create after user reported very slow calendar queries in .LRN
initial import of acs kernel data-model ported to postgresql - implementation of tree queries completed for acs_object_types. Still need to finish tree queries for acs_privilege_hierarchy and rel_constraints tables.