[schema, ui] fix is_subobject to skip cw_source relation (else everything is considered as a subobject, since this relation is now composite)
option_group_changed('port', 'main', 'web')
option_group_changed('query-log-file', 'main', 'web')
option_group_changed('profile', 'main', 'web')
option_group_changed('max-post-length', 'main', 'web')