First pass to this approach, django-secure-input does
not mix well with the admin.
django-secure-input working in the admin.
[fixes #111] Changed ALLOWED_TAGS settings.
[fixes #111] Bigger font inside editor.

The font inside the editor div was too small, changed its
size to 14px.
Merge remote-tracking branch 'origin/master' into feature/111-wysiwyg

Conflicts:
	opendata/catalog/forms.py
	requirements/base.txt
Merge pull request #122 from openrural/feature/111-wysiwyg

Basic WYSIWGY editor in admin