Remove progressbar gem
Move features
Comment
Derive ReferenceFieldPanel from Panel, comment
Rename ReferenceFieldPanel to FieldPanel
Setup section members in Panel
Use @element instead of $element
Call parent ctor
Show edit icon if testing
Don't set up sections in Panel
Rename (GREEN)
Refactor out duplicate code, requiring renaming
Style buttons
Message
Pick first .nested_form we find
Remove unneeded code
Remove over-sensitive diagnostic (GREEN)
Go back to using a delay before hiding/showing tag buttons
Comment out taxt-editing scenarios that work for real
Comment out scenario that works for real