Correct the Note editor.
Split the source file in sub components.
Correct a timing problem on the editor checkbox.
from django.contrib import admin
from .models import (Metacategory, MetacategoryRevision, Protocol,
ProtocolRevision)
admin.site.register(Protocol)
admin.site.register(ProtocolRevision)
admin.site.register(Metacategory)
admin.site.register(MetacategoryRevision)