mongo _id's can be any arbitrary string
bah, forgot to be non-greedy
don't assume pk value is a valid bson objectid
Django 1.5 url tag support.

See https://docs.djangoproject.com/en/1.5/ref/templates/builtins/#url
Requirements.
Merge branch 'master' of https://github.com/filipovskii/mongoadmin into url_fix