nicer labels
make all fields appear as readonly if can_edit == False
list_admin should first look for methods on the admin class, then methods/fields on the model/document
Merge pull request #65 from elasticsales/cant-edit-readonly

Make all fields appear as readonly if can_edit == False
Merge pull request #66 from elasticsales/fix-field-lookup

list_admin should first look for methods on the admin class...