bootstrap relations model
add relations models and migration
tabbed view for relations on objects show page
bootstrap relations edit
fix edit_relations tag and adjust resource tabs
relations edit view boilerplate
bootstrap autocomplete and edit js
use same autocomplte structure from django widget
autocomplete view (wip)
working relations autocomplete with ES
 add new relation lines
update relations json and improve relations widget
add remove btn to each relation
widget load initial data
"submitable" form for relations edit
build oid for relations receiver
complete edit relations view
save and load relations from DB
handle relations removal
relation edit styling