Schema version patch.

sql/patch_39_40_i.sql

+# patch_39_40_i
+#
+# title: schema version
+#
+# description:
+# this patch updates the schema version
+
+# update schema version
+UPDATE meta set meta_value = 40 where meta_key = 'schema_version';
+
+# patch identifier
+INSERT INTO meta (meta_key, meta_value) VALUES ('patch', 'patch_39_40_i.sql|schema_version');
+