add note form to maraudes dashboard, minor cleanups

maraudes/admin.py

@@ -1,9 +1,8 @@
 from django.contrib import admin
 
-from .models import *
+from .models import Lieu, Rencontre, Maraude, Planning
 from .notes import Observation
 
-
 # Basic registration
 admin.site.register(Lieu)