Not standart csrf cookie name

[karech]

If you change CSRF_COOKIE_NAME in project settings, then nexus admin ajax requests will fail with 403 error. Problem in nexus/media/lib/nexus.js:38

...
if (!safeMethod(settings.type) && sameOrigin(settings.url)) {
    xhr.setRequestHeader("X-CSRFToken", getCookie('csrftoken'));
}
...

Fix: Pull request