Add "restcms" to your INSTALLED_APPS setting like this:
INSTALLED_APPS = ( ... 'reversion', # dependent 'restcms', )
Include the restcms URLconf in your project urls.py like this:
url(r'^restcms/', include('restcms.urls')),
Run python manage.py migrate to create the restcms models.
Start the development server and visit http://127.0.0.1:8000/admin/ to create a page (you'll need the Admin app enabled).
Visit http://127.0.0.1:8000/restcms/{{ path }}.