Schema generated by workbench version 6.0 looks different

The new version of workbench also caught an index in the site table
(site_region_id) that has the same name as a foreign key.  It has
been renamed appropriately.
Adding new service "release_based" functionality

It is now possible to define a service as not requiring participants to be explicitely released
before they are available to that service.
Adding new base_add.allow_parent_column ivar

This feature will override the default behaviour of removing a parent's
columns from a child list widget's columns.
Fixing bug in HTML