set LIVESEARCH to true
create item relations model and fix item duplications
update item search to use item relation
update specs, research items
redo item asociation
delete item if the relation exists but the accession_no doesn't appear
don't create a notification if the commenter is the commentable's creator
update edit form to use item_relations
show search text on edit
fix typo
hackety hack hack
build item_relation for contribution factory