alter table bboard_topics add column ns_perm_group text;
-- should be a text column because in case the user changes 
-- the group we don't want to just blithely delete
alter table bboard_topics add column ns_perm_group_added_for_this_forum text;

alter table bboard_topics add column q_and_a_primary_p boolean;

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added to defs.tcl

proc bboard_use_ns_perm_authorization_p {} {
    return 1
}

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new versions of admin-home, add-new-topic, add-new-topic-2