[dataimport] Properly escape strings sent to COPY FROM (closes #5278743)
See http://www.postgresql.org/docs/9.1/static/sql-copy.html#AEN64296
for escaping codes.
sync_schema_props_perms('state_of')
sync_schema_props_perms('transition_of')
sync_schema_props_perms('State')
sync_schema_props_perms('BaseTransition')
sync_schema_props_perms('Transition')
sync_schema_props_perms('WorkflowTransition')