Change OORDER and ORDER_LINE fillfactor to 85%

This reverts commit 0830c5f, which was an attempt
to workaround the problem described there. The long
term solution needs to be to fix the actual space
allocation in PostgreSQL, rather than wasting 50%
of disk space forever.

src/main/resources/sql.postgres/extraCommandsBeforeLoad.sql

@@ -1,5 +1,5 @@
-ALTER TABLE bmsql_oorder SET (FILLFACTOR = 50);
-ALTER TABLE bmsql_order_line SET (FILLFACTOR = 50);
+ALTER TABLE bmsql_oorder SET (FILLFACTOR = 85);
+ALTER TABLE bmsql_order_line SET (FILLFACTOR = 85);
 ALTER TABLE bmsql_warehouse SET (FILLFACTOR = 50);
 ALTER TABLE bmsql_district SET (FILLFACTOR = 79);
 ALTER TABLE bmsql_customer SET (FILLFACTOR = 90);