* Replace follows#update with follows#bulk_update
* Allow follows#bulk_update to receive multiple follows and remove follows#update
* Add FollowPolicy#bulk_update? and remove update?
* Combine save button into one in following_tag.html
* Rename follows_update_spec to follows_bulk_update_spec and update
* Update buildTagsHTML to conform to the view
* Allow scrolls down dashboard test to update multiple tag values
* Includes follower and followable in follows#bulk_update
* Mark and pass changed field.
* fix typo in html
* Update follows in transaction
* Extract js script to another file and update view
* Rename disableUnchangedButton.js to dashboardTagsDisableUnchangedButtons.js
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